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Critical CVE-2026-76461 SecurityAffairs

2026-09-15 SecurityAffairs

Cisco Warns of Ongoing Exploitation of Critical Email Gateway Zero-Day

Cisco warns of a critical zero-day in Secure Email Gateway, exploited in the wild to gain root access through malicious emails. Cisco disclosed a critical zero-day, tracked as CVE-2026-76461 (CVSS score of 9.8), affecting Secure Email Gateway appliances. The flaw can be exploited remotely without authentication. Attackers can send specially crafted emails co…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Cyber Crime & Data Breaches

Advisory

Critical CVE-2026-76461 Rapid7 Threat Research

2026-09-15 Rapid7 Threat Research

CVE-2026-76461: Critical Cisco Secure Email Gateway Vulnerability Exploited in the Wild

Overview On September 14, 2026, Cisco published a security advisory for CVE-2026-76461 , a critical SQL injection vulnerability affecting Cisco AsyncOS Software for Cisco Secure Email Gateway. The vulnerability has a reported CVSS v3.1 base score of 9.8 and could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on …

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Metasploit & Exploit Research

Advisory

Moderate CVE-2026-48172 SecurityAffairs

2026-09-15 SecurityAffairs

Shared Hosting at Risk: LiteSpeed Enterprise Bug Can Grant Root from a Single Tenant

Critical LiteSpeed Enterprise flaw lets one shared hosting account gain root, bypassing CageFS; patch now to 6.3.7 via forced update. cPanel warned that a critical flaw in LiteSpeed Enterprise can let a low‑privilege website user break out of their account and gain root on the whole server. On a box where dozens or hundreds of customers live side by side, th…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Cyber Crime & Data Breaches

Advisory

Critical CVE-2026-76461 Help Net Security

2026-09-15 Help Net Security

Cisco patches actively exploited email gateway zero-day (CVE-2026-76461)

Attackers have leveraged a zero-day SQL injection vulnerability (CVE-2026-76461) to compromise Cisco Secure Email Gateway appliances, Cisco confirmed on Monday. The vendor’s Product Security Incident Response Team became aware of active exploitation of this vulnerability in September 2025, and has shared indicators of compromise that organizations can look f…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Enterprise Cyber Defense

Advisory

Critical CVE-2026-85046 SecurityAffairs

2026-09-15 SecurityAffairs

One Exploit Chain, Two Espionage Campaigns: Chrome and Windows Under Fire

Two China-linked groups ran identical Chrome/Windows zero-day exploits against NGOs, before Chrome’s patch shipped, deploying different backdoors each. Two China-linked threat actors used the same Chrome/Windows zero-day against NGOs starting September 1, 2026, Volexity’s new report lays out the whole chain in detail. On September 1, Volexity detected a spea…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Cyber Crime & Data Breaches

Advisory

Critical BleepingComputer

2026-09-15 BleepingComputer

Cisco patches Secure Email Gateway zero-day exploited in attacks

Cisco warned customers to patch a critical Secure Email Gateway zero-day security flaw that threat actors have been exploiting in attacks. [...]

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Cyber Defense & Malware

Advisory

Critical SecurityAffairs

2026-09-15 SecurityAffairs

Non-Zero-Day VPN Flaw Left Japan ‘s Government Shared Network Platform Exposed: 246,000 Records at Risk

Japan ‘s Digital Agency disclosed a VPN breach exposing 246,000 government employee records across 23 ministries. Detected June 25, publicly disclosed September 11. Japan ‘s Digital Agency disclosed that attackers exploited a vulnerability in a VPN device to access its Government Solution Service (GSS), potentially leaking personal information belonging to a…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Cyber Crime & Data Breaches

Advisory

Critical CVE-2026-76461 The Hacker News

2026-09-15 The Hacker News

Cisco Secure Email Gateway Flaw Exploited in the Wild, Enables Root Command Execution

Cisco has warned that a new critical vulnerability impacting AsyncOS Software for Cisco Secure Email Gateway has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-76461, carries a CVSS score of 9.8 out of a maximum of 10.0. It has been described as a case of insufficient validation in the email parsing logic that could allow …

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Threat Intelligence

Advisory

Critical The Hacker News

2026-09-15 The Hacker News

China-Linked Hackers Exploit Chrome-Windows Zero-Day Chain to Deploy GRIMWEDGE

A Chinese threat actor has been attributed to a spear-phishing campaign that exploits recently patched security flaws in Google Chrome and Microsoft Windows to deliver a malicious JavaScript backdoor called GRIMWEDGE. Volexity, which is tracking the threat cluster under the moniker UTA0560, said the activity targeted multiple non-governmental organizations (…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Threat Intelligence

Advisory

Critical Help Net Security

2026-09-14 Help Net Security

ENISA launched the CRA Single Reporting Platform for actively exploited vulnerabilities

The EU Agency for Cybersecurity switched on the Cyber Resilience Act‘s Single Reporting Platform on 11 September 2026, the same day the law’s reporting obligations started binding manufacturers. ENISA built the tool and runs its day-to-day operations, a job Article 16(1) of the CRA hands to the agency. Anyone placing a product with digital elements on the EU…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Enterprise Cyber Defense

Advisory

Critical CVE-2026-72898 Check Point Research

2026-09-14 Check Point Research

14th September – Threat Intelligence Report

For the latest discoveries in cyber research for the week of 14th Setpember, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES IDScan.net, a US identity verification provider, has disclosed a data breach after detecting unauthorized access on September 1. Exposed data included names and government identification numbers, while a crim…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Exploit Research & Analysis

Advisory

Critical CISA Advisory

2026-09-14 CISA Advisory

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-76461 Cisco Secure Email Gateway SQL Injection Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes vulnerability management requirements for Federal Civilian Executive Branch (FCEB) agencies. BOD 26-04 reinforces the importance of the KEV Catalog and requires federal agencies to prioritize rapid remediation of high-risk vulnerabilities, specifically those identified by Common Vulnerabilities and Exposures (CVEs) listed in CISA’s KEV Catalog on publicly exposed assets that grant total control of the asset post-exploitation, while deferring action for lower-risk vulnerabilities. BOD 26-04 further establishes basic expectations for when agencies must check whether threat actors compromised the system before the patch was applied. While BOD 26-04 applies only to FCEB agencies, CISA encourages all organizations to adopt risk-based vulnerability management and prioritize remediation of KEV Catalog vulnerabilities . CISA will continue to add vulnerabilities to the catalog that meet the specified criteria . Aware of an exploited vulnerability not currently listed in the KEV Catalog? Submit it for potential addition through CISA’s KEV Nomination Form . Potential KEV additions must have a CVE ID, evidence of exploitation, and clear mitigation guidance.

Fix: Review CISA guidance and apply vendor security updates immediately.

Cybersecurity Advisory

Advisory

Critical CVE-2026-85706 Rapid7 Threat Research

2026-09-14 Rapid7 Threat Research

CVE-2026-85706: Critical GitLab Path Traversal Exploited in the Wild

Overview On September 10, 2026, GitLab published a critical patch release for GitLab Community Edition (CE) and Enterprise Edition (EE). The release addresses CVE-2026-85706 , a critical path traversal vulnerability ( CWE-22 ) in the repository commits API with a CVSSv3.1 score of 10.0 . According to GitLab, improper path confinement and missing authenticati…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Metasploit & Exploit Research

Advisory

Critical CVE-2026-85102 SecurityAffairs

2026-09-14 SecurityAffairs

Dutch NCSC Warns: Critical Check Point VPN Flaws Put Networks at Risk

Two critical Check Point VPN flaws score 9.8 and could enable remote code execution. Patch now and restrict VPN access before exploitation begins. The Dutch NCSC warns that two critical vulnerabilities in Check Point VPN products, both rated CVSS score of 9.8, could soon be actively exploited. If you use Check Point VPN, you should patch it immediately. CVE‑…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Cyber Crime & Data Breaches

Advisory

Moderate Malwarebytes Labs

2026-09-14 Malwarebytes Labs

A week in security (September 7 – September 13)

Here’s what we’ve covered in the last seven days on Malwarebytes Labs: Crypto customers targeted by scammers after email marketing provider breach Android malware creates a hidden copy of your banking app BlueMoon exploit kit turns Chrome and Windows flaws into attacks Will AI kill us all within the next decade? Update Chrome now to protect against an active…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Malware Outbreaks & Analysis

Advisory

Moderate CVE-2026-42016 SecurityAffairs

2026-09-13 SecurityAffairs

Security Affairs newsletter Round 594 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including international press. The AI Supply Chain Has a Security Problem, and Much of It Is Sitting on the Open Internet Attackers Exploit Crit…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Cyber Crime & Data Breaches

Advisory

Critical CVE-2026-42016 The Hacker News

2026-09-12 The Hacker News

CISA Adds 5 Actively Exploited Artifactory, ScreenConnect, and RouterOS Flaws to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added five security flaws impacting JFrog Artifactory, ConnectWise ScreenConnect, and MikroTik RouterOS to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation in the wild. Details of the vulnerabilities are as follows - CVE-2026-42016 (CVSS score: 8.1…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Threat Intelligence

Advisory

Critical Dark Reading

2026-09-11 Dark Reading

SpiderSilk Hunts External Threats With AI-Based Scanner

The Dubai-based threat detection startup uses artificial intelligence tools to scan billions of IP addresses to find exposed assets, leaked data, and zero-day vulnerabilities.

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Enterprise Infosec

Advisory

Moderate CVE-2025-66516 Rapid7 Threat Research

2026-09-11 Rapid7 Threat Research

Metasploit Wrap Up: This One Goes to Sixteen!

This One Goes to Sixteen! Another banger from Metasploit with sixteen new modules, including ten exploit modules, with five on the CISA KEV list. Cisco, Papercut, Sonicwall, Jetbrains, and Langflow all have exploit modules, and not to be outdone, we even have a Metasploit scanner to watch the watchers! New module content (16) Elasticsearch ingest-attachment …

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Metasploit & Exploit Research

Advisory

Critical CISA Advisory

2026-09-11 CISA Advisory

CISA Adds Three Known Exploited Vulnerabilities to Catalog

CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-42016 JFrog Artifactory Incorrect Authorization Vulnerability CVE-2026-42018 JFrog Artifactory Improper Authentication Vulnerability CVE-2026-84869 ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risks to the federal enterprise. Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes vulnerability management requirements for Federal Civilian Executive Branch (FCEB) agencies. BOD 26-04 reinforces the importance of the KEV Catalog and requires federal agencies to prioritize rapid remediation of high-risk vulnerabilities, specifically those identified by Common Vulnerabilities and Exposures (CVEs) listed in CISA’s KEV Catalog on publicly exposed assets that grant total control of the asset post-exploitation, while deferring action for lower-risk vulnerabilities. BOD 26-04 further establishes basic expectations for when agencies must check whether threat actors compromised the system before the patch was applied. While BOD 26-04 applies only to FCEB agencies, CISA encourages all organizations to adopt risk-based vulnerability management and prioritize remediation of KEV Catalog vulnerabilities . CISA will continue to add vulnerabilities to the catalog that meet the specified criteria . Aware of an exploited vulnerability not currently listed in the KEV Catalog? Submit it for potential addition through CISA’s KEV Nomination Form . Potential KEV additions must have a CVE ID, evidence of exploitation, and clear mitigation guidance.

Fix: Review CISA guidance and apply vendor security updates immediately.

Cybersecurity Advisory

Advisory

Critical CISA Advisory

2026-09-11 CISA Advisory

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes vulnerability management requirements for Federal Civilian Executive Branch (FCEB) agencies. BOD 26-04 reinforces the importance of the KEV Catalog and requires federal agencies to prioritize rapid remediation of high-risk vulnerabilities, specifically those identified by Common Vulnerabilities and Exposures (CVEs) listed in CISA’s KEV Catalog on publicly exposed assets that grant total control of the asset post-exploitation, while deferring action for lower-risk vulnerabilities. BOD 26-04 further establishes basic expectations for when agencies must check whether threat actors compromised the system before the patch was applied. While BOD 26-04 applies only to FCEB agencies, CISA encourages all organizations to adopt risk-based vulnerability management and prioritize remediation of KEV Catalog vulnerabilities . CISA will continue to add vulnerabilities to the catalog that meet the specified criteria . Aware of an exploited vulnerability not currently listed in the KEV Catalog? Submit it for potential addition through CISA’s KEV Nomination Form . Potential KEV additions must have a CVE ID, evidence of exploitation, and clear mitigation guidance.

Fix: Review CISA guidance and apply vendor security updates immediately.

Cybersecurity Advisory

Advisory

Important CVE-2026-15409 SecurityAffairs

2026-09-11 SecurityAffairs

UK Council Attack Linked to Mass Exploitation of SonicWall Flaw

A critical SonicWall flaw was rapidly weaponized, with a UK Council attack linked to a campaign that exposed credentials and enabled Active Directory theft. On July 17, 2026, the Borough Council of King’s Lynn and West Norfolk announced it had detected a cyberattack affecting council services. Hunt.io has since published a detailed technical analysis linking…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Cyber Crime & Data Breaches

Advisory

Critical The Hacker News

2026-09-11 The Hacker News

PaperCut Replaces Emergency Patches With Fixes for Two Actively Exploited Flaws

PaperCut on Thursday released a new security maintenance release that replaces all previously published emergency patches that were pushed to address two security flaws that have come under active exploitation. The software development company said PaperCut NG/MF versions 26.0.5, 25.0.13 and 24.1.10 are now available for customers to download. "These are Reg…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Threat Intelligence

Advisory

Important CVE-2025-25249 SecurityAffairs

2026-09-10 SecurityAffairs

U.S. CISA adds Cisco, Google Chromium V8, Fortinet, and Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco, Google Chromium V8, Fortinet, and Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog : CVE-2025-25249 Fortinet Mu…

Fix: Review advisory findings, isolate suspect endpoints, and verify threat signatures.

Cyber Crime & Data Breaches

Advisory