CVE-2026-85880: Microsoft Windows Heap-Based Buffer Overflow Vulnerability

Vereiste actie (tekst van CISA, Engels)

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Beschrijving (NVD, Engels)

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

Beveiligingsadviezen van leveranciers

• Kwetsbaarheden verholpen in Microsoft Windows

BRONNEN

• CISA KEVCISA Known Exploited Vulnerabilities catalog
• NCSC-NLadvisories.ncsc.nl/advisory

Andere lekken bij Microsoft

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• CVE-2026-81963: Microsoft Windows Link Following Vulnerability

Gegevens van NVD, CISA KEV, FIRST EPSS en adviezen van leveranciers. Bijgewerkt 10 nov 2026.