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OpenAdvisories
High · 7.8 CVE-2026-83518 EUVD-2026-99299GHSA-jr84-qg44-hh67

RPC Runtime Elevation of Privilege Vulnerability

Published Oct 13, 2026 · Updated Nov 10, 2026 · Assigned by microsoft

Description

Heap-based buffer overflow in RPC Runtime allows an authorized attacker to elevate privileges locally.

Affected products

VendorProductAffectedFixed
Microsoft Windows 11 version 23H2 10.0.22631.0 – < 10.0.22631.7582 10.0.22631.7582
Microsoft Windows 11 Version 24H2 10.0.26100.0 – < 10.0.26100.9445 10.0.26100.9445
Microsoft Windows 11 Version 25H2 10.0.26200.0 – < 10.0.26200.9445 10.0.26200.9445
Microsoft Windows 11 version 26H1 10.0.28000.0 – < 10.0.28000.2954 10.0.28000.2954

Advisories 2

References