Race Condition in Microsoft camsvc Enables Local Privilege Escalation

Publication date: 2026-01-13

Last updated on: 2026-01-13

Assigner: Microsoft Corporation

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.

CVSS Scores

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Meta Information

Published

2026-01-13

Last Modified

2026-01-13

Generated

2026-07-06

AI Q&A

2026-01-14

EPSS Evaluated

2026-07-05

NVD

CVE-2026-20815

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	capability_access_management_service	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-362	The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Attack-Flow Graph

Executive Summary

This vulnerability is a race condition in the Capability Access Management Service (camsvc) where concurrent execution using a shared resource lacks proper synchronization. This flaw allows an authorized local attacker to elevate their privileges on the system.

Impact Analysis

An attacker who already has some level of authorization on the system can exploit this vulnerability to gain higher privileges than intended. This can lead to unauthorized access to sensitive data, modification of system settings, or disruption of system operations.

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