CVE-2026-20843
Windows Routing and Remote Access Service (RRAS) Elevation of Privilege Vulnerability
7.8CVSSHIGH
Description
Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
and 57 more affected products View all →
Exploitability
Official Patch Available
References
Timeline
Published
Jan 13, 2026
Last Updated
Jan 15, 2026
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