Latest cybersecurity reporting from selected sources.

An unknown threat actor exploited a recently disclosed high-severity security flaw impacting Cisco Catalyst SD-WAN as a zero-day at least two months before it was publicly disclosed, according to new findings from Google-owned Mandiant

Threat actors have begun to exploit a recently disclosed critical security flaw impacting Cisco Unified Communications Manager (Unified CM) and Unified Communications Manager Session Management Edition (Unified CM SME)

Cisco addressed CVE-2026-20181, a critical ISE vulnerability that lets authenticated admins execute commands and gain root access. Cisco addressed a critical command execution vulnerability, tracked as CVE-2026-20181 (CVSS score of 9.1), affecting Identity Services Engine (ISE) and ISE-PIC. The flaw stems from improper validation of user-supplied input, allowing an authenticated attacker with administrative credentials to […]

Cisco has released security updates to address a vulnerability in the Catalyst SD-WAN Manager, tracked as CVE-2026-20262, that was exploited in attacks to escalate to root privileges. [...]

Amazon Threat Intelligence is warning of an active Interlock ransomware campaign that's exploiting a recently disclosed critical security flaw in Cisco Secure Firewall Management Center (FMC) Software

Cisco has released security updates to patch two maximum-severity vulnerabilities in its Secure Firewall Management Center (FMC) software. [...]

A rare joint alert from all five spy agencies means serious business The Five Eyes intelligence alliance is urgently warning defenders to patch two Cisco Catalyst SD-WAN vulnerabilities used in attacks.…

Vendor Ships Emergency Fixes, Warning Flaw Facilitates Full System CompromiseAttackers are targeting a zero-day vulnerability in Cisco's Unified Communications and Webex products that facilitates remote code execution and root-level access to the underlying operating system, risking full system compromise. Cisco has released patches, warning that no workarounds exist.

Cisco has released security updates to patch a critical vulnerability in the Unified Contact Center Express (UCCX) software, which could enable attackers to execute commands with root privileges. [...]

Shadowserver claims miscreants were already poking at a critical hole in early July, long before Switchzilla patched it Threat actors have actively exploited a newly patched vulnerability in Cisco's Identity Services Engine (ISE) software since early July, weeks before the networking giant got around to issuing a fix.…

Cisco on Monday updated its advisory of a set of recently disclosed security flaws in Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) to acknowledge active exploitation

A critical vulnerability (CVE-2025-20337) in Cisco's Identity Services Engine (ISE) could be exploited to let an unauthenticated attacker store malicious files, execute arbitrary code, or gain root privileges on vulnerable devices. [...]

Cisco has disclosed a new maximum-severity security vulnerability impacting Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) that could permit an attacker to execute arbitrary code on the underlying operating system with elevated privileges

Flaw Exposes Remote Privilege Escalation RiskCisco released urgent security updates to fix a critical vulnerability in Unified Communications Manager that could allow unauthenticated attackers gain root access to affected systems. The maximum-severity vulnerability allows unauthenticated remote attackers to log in using static credentials.

Cisco has released security updates to address a maximum-severity security flaw in Unified Communications Manager (Unified CM) and Unified Communications Manager Session Management Edition (Unified CM SME) that could permit an attacker to login to a susceptible device as the root user, allowing them to gain elevated privileges

A 10.0 and a 9.8 – these aren’t patches to dwell on Cisco has dropped patches for a pair of critical vulnerabilities that could allow unauthenticated remote attackers to execute code on vulnerable systems.…

Cisco has released updates to address two maximum-severity security flaws in Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) that could permit an unauthenticated attacker to execute arbitrary commands as the root user

Cisco has released software fixes to address a maximum-severity security flaw in its IOS XE Wireless Controller that could enable an unauthenticated, remote attacker to upload arbitrary files to a susceptible system

Cisco has fixed two critical Identity Services Engine (ISE) vulnerabilities that can let attackers with read-only admin privileges bypass authorization and run commands as root. [...]

Cisco has released updates to address two critical security flaws Identity Services Engine (ISE) that could allow remote attackers to execute arbitrary commands and elevate privileges on susceptible devices