CVE-2026-87691
HighCVSS 7.8Summary
A use-after-free vulnerability in Windows Management Services allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker with system access could exploit this flaw to gain higher privileges, potentially resulting in full control over the affected machine.
Recommendation
Promptly install Windows security updates and monitor for unusual activity in management services.
Other vulnerabilities in Windows Management Services
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Heap-based buffer overflow in Windows Management Services allows an authorized attacker to elevate privileges over a network.
- CVE-2026-70348Medium
Improper link resolution before file access ('link following') in Windows Management Services allows an authorized attacker to deny service locally.
- CVE-2026-58544High
Use-After-Free vulnerability in Windows Management Services. Allows an authorized attacker to elevate privileges locally.
- CVE-2026-20924High
A use-after-free vulnerability in Windows Management Services allows an authorized attacker to elevate privileges locally.
- CVE-2026-20923High
A use-after-free vulnerability in Windows Management Services allows an authorized attacker to elevate privileges locally.
- CVE-2026-20918High
A race condition exists in Windows Management Services due to improper synchronization of shared resources. This allows an authorized attacker to elevate privileges locally.
- CVE-2026-20877High
A use-after-free vulnerability exists in Windows Management Services. This allows an authorized attacker to elevate privileges locally.
- CVE-2026-20874High
A race condition exists in Windows Management Services due to improper synchronization of shared resources. This allows an authorized attacker to elevate privileges locally.
- CVE-2026-20873High
A race condition exists in Windows Management Services due to improper synchronization of shared resources. This allows an authorized attacker to elevate privileges locally.
- CVE-2026-20867High
A race condition exists in Windows Management Services due to improper synchronization of shared resources. This allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS