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U.S. CISA adds Acronis Backup, Cisco ISE, and Google Pixel flaws to its Known Exploited Vulnerabilities catalognew

CISA added actively exploited flaws in Cisco ISE, Acronis Backup, and Google Pixel (CVE-2026-76460, CVE-2026-87886, CVE-2026-58704) to its KEV catalog.

CISA added three actively exploited vulnerabilities to its Known Exploited Vulnerabilities catalog: CVE-2026-76460 (CVSS 10.0), an unauthenticated API authentication bypass in Cisco Identity Services Engine that Cisco confirms is being actively exploited; CVE-2026-87886, a local privilege escalation in the Acronis Backup plugins for cPanel/WHM and Plesk exploited in limited targeted attacks; and CVE-2026-58704 (CVSS 8.8), a Google Pixel cellular modem permission bypass exploited in limited, targeted attacks and patched in the September 2026 Pixel update. Under BOD 22-01, federal agencies must remediate KEV entries by the stated due dates. Google has not attributed the Pixel exploitation to any actor.

Google Pixel phones pwned in zero-click attacks

CISA added actively exploited zero-click Pixel modem flaw CVE-2026-58704 to its KEV catalog, giving federal agencies three days to patch.

Google disclosed CVE-2026-58704, a high-severity improper authorization flaw in Pixel phones' cellular modems that bypasses permission checks and escalates privileges with no user interaction, noting limited, targeted exploitation. CISA added it to the Known Exploited Vulnerabilities Catalog with a September 19 deadline for federal agencies. Such zero-click modem bugs are a frequent vector for commercial spyware. The Register also notes two recently KEV-listed Chromium V8 flaws, CVE-2026-85046 and CVE-2026-87491, which Proofpoint says four espionage groups chained in intrusions.