CVE-2026-85880Published

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

Collected exploitation and prediction evidence

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

CVE-2026-85880

Exact risk observation. Current source statements above are a separate evidence layer. Latest risk evidence.

CISA KEV listing collected · added 8 Sep 2026 · Microsoft · Windows

Microsoft Windows Advanced Local Procedure Call contains a heap-based buffer overflow vulnerability that allows an attacker to elevate privileges locally.

CISA source

EPSS unknown / outside the collected prediction scope.

Observed 23 Oct 2026 16:01:26 UTC · Complete immutable risk JSON

Immutable source observations

4 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

10 Nov 2026 23:21:22 UTC