Advisories

CVE-2026-70139 Windows Update Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Update Service allows an authorized attacker to elevate privileges locally.

Read at Microsoft Security Response Center

Vendor

Microsoft

Product

Windows

Exposure class

Operating system

• Microsoft Security Response Center (msrc.microsoft.com)
• CVE-2026-70139 on this site · NVD · CVE.org · Vulnpedia

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