Vulnerability · Published Jan 13, 2026 · Assigned by microsoft

CVE-2026-20851Capability Access Management Service (camsvc) Information Disclosure Vulnerability

Medium 6.2

In plain English

A medium-severity out-of-bounds read in Windows 11 Version 24H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).

Severity (CVSS 3.1)6.2Medium
Exploit odds (30 days)0.6%top 51.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Out-of-bounds read in Capability Access Management Service (camsvc) allows an unauthorized attacker to disclose information locally.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.7623
Microsoft Windows 11 Version 25H2 10.0.26200.0 – before 10.0.26200.7623
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.32230
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.32230

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

References