CVE-2026-85357
highConcurrent execution using shared resource with improper synchronization ('race condition') in Windows Phone Service allows an authorized attacker to elevate p…
Vendor / product: Microsoft — windows 11 23h2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Phone Service allows an authorized attacker to elevate privileges locally.
CVSS
7.0
7.0 (CVSS v3.1)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (secure@microsoft.com)
Timeline (UTC)
Published: 2026-10-13 19:20
Modified: 2026-10-28 17:43
NVD status: Analyzed
Last synced 10 hours ago
Verified against the source API 2026-10-28 18:08 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
microsoft / windows_11_23h2 <10.0.22631.7652
microsoft / windows_11_24h2 <10.0.26100.9711
microsoft / windows_11_25h2 <10.0.26200.9711
microsoft / windows_11_26h1 <10.0.28000.3231
microsoft / windows_11_26h2 <10.0.26300.9711
microsoft / windows_server_2022 <10.0.20348.5761
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85357
Patch / mitigation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85357
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85357 secure@microsoft.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-28 18:08 UTC · record ↗