CVE-2026-85941
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk10th percentile - higher than 10% of all known CVEs
Summary
A concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker with system access could exploit the race condition to gain higher privileges, potentially resulting in full control over the affected machine.
Recommendation
Promptly install Windows security updates and monitor for unusual software installation attempts.
Other vulnerabilities in Windows Installer
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The vulnerability in Windows Installer allows local users to gain elevated privileges via a crafted application that invokes the repair feature for a different application.
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Elevation of privilege vulnerability in Windows Installer. An attacker could exploit it to gain elevated privileges.
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An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process symbolic links, known as 'Windows Installer Elevation of Privilege Vulnerability'.
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Use-after-free vulnerability in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-96307High
Use-after-free vulnerability in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-96305High
Use-after-free vulnerability in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-96302High
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-88124High
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
- CVE-2026-88080High
Use after free vulnerability in Windows Installer. An authorized attacker can elevate privileges locally.
- CVE-2026-88076High
Null pointer dereference vulnerability in Windows Installer. An authorized attacker can elevate privileges locally.
Original NVD description (English source)
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS