Cisco ISE Authorization Bypass Allows Endpoint Certificate Acquisition
Cisco released software updates for ISE and ISE-PIC to address the authorization bypass.
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Cisco released software updates for ISE and ISE-PIC to address the authorization bypass.
Fixed releases will be named then, and PSIRT plans no further hardening advisories in 2026.

Weekly recap led by actively exploited Cisco ISE auth-bypass CVE-2026-76460 (CVSS 10.0), plus Plugin4Shell AI-agent RCE and KREMLIN banking malware.

Actively exploited Cisco ISE and Pixel zero-days lead a week of critical flaws, PoCs, and AI-agent attacks.

Cisco ISE zero-day CVE-2026-76460 is a maximum-severity (CVSS 10.0) authentication bypass affecting API endpoint authentication.

Cisco emergency-patched actively exploited CVE-2026-76460 (CVSS 10.0), an unauthenticated API flaw granting root on ISE appliances; CISA added it to KEV.

Cisco confirmed active exploitation of CVE-2026-76460, a CVSS 10.0 ISE API authentication bypass granting root, its second zero-day patch this week.

Canada's Cyber Centre alerts on three actively exploited Cisco ISE/ISE-PIC vulnerabilities enabling unauthenticated administrative access and data tampering.

Cisco September 2026 updates fix flaws in ASA, FTD, FMC, ISE, and Nexus Dashboard; CISA added actively exploited CVE-2026-76460 to KEV.
CISA added actively exploited Cisco ISE authentication bypass CVE-2026-76460 to its KEV catalog, urging patches by September 19, 2026.

CVE-2026-76460, a critical flaw in Cisco Identity Services Engine and ISE-PIC, is being actively exploited in the wild.
Cisco's CVSS 10.0 CVE-2026-76460 authentication bypass in Identity Services Engine is actively exploited, granting unauthenticated attackers root command execution.
Cisco patches dozens of critical flaws in FMC, ISE and Nexus Dashboard, including ISE bugs and an authentication bypass already exploited in the wild.

Cisco warns that CVE-2026-76460 (CVSS 10.0) in Identity Services Engine is actively exploited, enabling unauthenticated root access; CISA added it to KEV.

Cisco confirms zero-day CVE-2026-76460 (CVSS 10.0) in ISE is under active exploitation, granting unauthenticated root command execution; patches released.

Cisco confirmed CVE-2026-76460, an actively exploited unauthenticated authentication bypass in Cisco ISE APIs, urging immediate patching with no workarounds available.

Cisco patched CVE-2026-76460, a CVSS 10.0 authentication bypass in ISE and ISE-PIC that can grant unauthenticated attackers root access.

Cisco patched CVE-2026-76460, a maximum-severity authentication bypass in Identity Services Engine actively exploited in attacks; CISA added it to KEV with a three-day federal deadline.

Cisco warns CVE-2026-76460 (CVSS 10.0), an unauthenticated ISE auth bypass leading to root command execution, is under active exploitation and was added to CISA's KEV.

Cisco urgently patched actively exploited zero-day CVE-2026-76460 (CVSS 10.0), an ISE authentication bypass enabling root command execution; CISA added it to KEV.
Cisco ISE hardening release fixes multiple internally discovered vulnerabilities, including an authentication bypass known to be actively exploited.
Cisco Identity Services Engine's PatchUpdateListener has an authenticated directory traversal (CVE-2026-20148, CVSS 4.9) enabling sensitive information disclosure.
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