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CISA has added CVE-2026-20045, a critical zero-day remote code execution (RCE) vulnerability in Cisco Unified Communications Manager (Unified CM), to its Known Exploited Vulnerabilities (KEV) catalog. Added on January 21, 2026, this flaw affects multip…
Cisco has warned customers of a critical zero-day vulnerability affecting several of its Unified Communications products, including Cisco Unified Communications Manager (Unified CM), Unified Communications Manager Session Management Edition (Unified CM…
Cisco has released patches for CVE-2026-20045, a critical vulnerability that can be exploited for unauthenticated remote code execution.
The post Hackers Targeting Cisco Unified CM Zero-Day appeared first on SecurityWeek.
Microsoft has released its January 2026 Patch Tuesday security updates, addressing 114 vulnerabilities across Windows, Office, and other products. The update includes three actively exploited zero-day vulnerabilities and 12 critical-severity flaws that…
Two vulnerabilities patched this month by Microsoft were disclosed publicly before fixes were released.
The post Microsoft Patches Exploited Windows Zero-Day, 111 Other Vulnerabilities appeared first on SecurityWeek.
Fresh attacks targeted three VMware ESXi vulnerabilities that were disclosed in March 2025 as zero-days.
The post Exploit for VMware Zero-Day Flaws Likely Built a Year Before Public Disclosure appeared first on SecurityWeek.
The critical-severity vulnerability allows unauthenticated, remote attackers to execute arbitrary shell commands.
The post Hackers Exploit Zero-Day in Discontinued D-Link Devices appeared first on SecurityWeek.
Cisco disclosed a critical zero-day (CVE-2025-20393) in Secure Email Gateway and Secure Email and Web Manager, actively exploited by a China-linked group. Cisco disclosed a critical zero-day, tracked as CVE-2025-20393, in Secure Email Gateway and Secure Email/Web Manager, which is actively exploited by a China-linked threat group. Cisco reported a December 10 campaign targeting certain […]
The medium-severity flaw has been exploited in combination with a critical bug for remote code execution.
The post SonicWall Patches Exploited SMA 1000 Zero-Day appeared first on SecurityWeek.
The critical zero-day is tracked as CVE-2025-20393 and it impacts Secure Email Gateway and Secure Email and Web Manager appliances.
The post China-Linked Hackers Exploiting Zero-Day in Cisco Security Gear appeared first on SecurityWeek.