CVE coverage
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CVE-2026-85880
CVSS 7.8
Actively exploited (KEV)
no coverage
Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally.
Detection rules
No detection found — yet
None of Sigma, Elastic, Splunk ESCU, YARA, Microsoft Sentinel, Snort, or Suricata currently has a rule referencing CVE-2026-85880.
This CVE is on CISA's Known Exploited Vulnerabilities list. It is being exploited in the wild with no public detection rule — worth writing one.