CVE-2026-85329
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Account allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker with valid credentials could exploit this vulnerability to gain higher privileges on the system, potentially leading to full device compromise.
Recommendation
Immediately apply available Microsoft security updates for Microsoft Account and restrict local access to trusted users.
Other vulnerabilities in Microsoft Account
See all- CVE-2026-56165Critical
Heap-based buffer overflow in Microsoft Account allows an unauthorized attacker to execute code over a network.
- CVE-2026-83847High
Heap-based buffer overflow in Microsoft Account allows an authorized attacker to elevate privileges locally.
- CVE-2026-68852Medium
A vulnerability in Microsoft Account involves the use of an uninitialized resource. An authorized attacker could exploit this to disclose information locally.
- CVE-2026-68850High
Heap-based buffer overflow in Microsoft Account allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Account allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

