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7.0 High

CVE-2026-50348 Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an…

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an unauthorized attacker to elevate privileges over a network.

Affected products and versions

Product Affected versions Fixed in
Windows 10 Version 1809 10.0 10.0.17763.0 → < 10.0.17763.9020 10.0.17763.9020
Windows 10 Version 21H2 10.0 10.0.19044.0 → < 10.0.19044.7548 10.0.19044.7548
Windows 10 Version 22H2 10.0 10.0.19045.0 → < 10.0.19045.7548 10.0.19045.7548
Windows 11 Version 24H2 10.0 10.0.26100.0 → < 10.0.26100.8875 10.0.26100.8875
Windows 11 Version 25H2 10.0 10.0.26200.0 → < 10.0.26200.8875 10.0.26200.8875
Windows 11 version 26H1 10.0 10.0.28000.0 → < 10.0.28000.2525 10.0.28000.2525
Windows Server 2019 10.0 10.0.17763.0 → < 10.0.17763.9020 10.0.17763.9020
Windows Server 2019 (Server Core installation) 10.0 10.0.17763.0 → < 10.0.17763.9020 10.0.17763.9020
Windows Server 2022 10.0 10.0.20348.0 → < 10.0.20348.5386 10.0.20348.5386
Show the 2 other branches
Product Affected versions Fixed in
Windows Server 2025 10.0 10.0.26100.0 → < 10.0.26100.33158 10.0.26100.33158
Windows Server 2025 (Server Core installation) 10.0 10.0.26100.0 → < 10.0.26100.33158 10.0.26100.33158

Other CVEs of Windows 10 Version 1809

The 5349 CVEs of Windows 10 Version 1809 →
CVE-2026-108136 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.8 High CVE-2026-108471 Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to… 8.8 High CVE-2026-108132 Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally 7.0 High CVE-2026-108129 Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network 6.5 Medium
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