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7.8 High

CVE-2025-55233 Out-of-bounds read in Windows Projected File System allows an authorized attacker to elevate privileges locally

Description

Out-of-bounds read in Windows Projected File System allows an authorized attacker to elevate privileges locally.

Affected products and versions

Product Affected versions Fixed in
Windows 11 Version 25H2 10.0 10.0.26200.0 → < 10.0.26200.7462 10.0.26200.7462
Windows 10 Version 1809 10.0 10.0.17763.0 → < 10.0.17763.8146 10.0.17763.8146
Windows Server 2019 10.0 10.0.17763.0 → < 10.0.17763.8146 10.0.17763.8146
Windows Server 2019 (Server Core installation) 10.0 10.0.17763.0 → < 10.0.17763.8146 10.0.17763.8146
Windows Server 2022 10.0 10.0.20348.0 → < 10.0.20348.4529 10.0.20348.4529
Windows 10 Version 21H2 10.0 10.0.19044.0 → < 10.0.19044.6691 10.0.19044.6691
Windows 10 Version 22H2 10.0 10.0.19045.0 → < 10.0.19045.6691 10.0.19045.6691
Windows Server 2025 (Server Core installation) 10.0 10.0.26100.0 → < 10.0.26100.7462 10.0.26100.7462
Windows 11 version 22H3 10.0 10.0.22631.0 → < 10.0.22631.6345 10.0.22631.6345
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Product Affected versions Fixed in
Windows 11 Version 23H2 10.0 10.0.22631.0 → < 10.0.22631.6345 10.0.22631.6345
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 10.0.25398.0 → < 10.0.25398.2025 10.0.25398.2025
Windows 11 Version 24H2 10.0 10.0.26100.0 → < 10.0.26100.7462 10.0.26100.7462
Windows Server 2025 10.0 10.0.26100.0 → < 10.0.26100.7462 10.0.26100.7462

Other CVEs of Windows 11 Version 25H2

The 2838 CVEs of Windows 11 Version 25H2 →
CVE-2026-105016 Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network 9.8 Critical CVE-2026-108463 Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security… 8.8 High CVE-2026-108136 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.8 High CVE-2026-108134 Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally 7.0 High
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