EUVD-2026-29599
GHSA-vjmh-46hp-792g
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
Use after free in Windows Projected File System allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in the Windows Projected File System (ProjFS) affects the full supported Windows line — Windows 10 (1809/21H2/22H2), Windows 11 (22H3 through 26H1), and Windows Server 2019/2022/2025 — where a use-after-free (CWE-416) lets an authenticated local user corrupt kernel/service memory and elevate to higher privileges. Microsoft-reported and patched, the flaw carries total technical impact per CISA SSVC but has no public exploit identified at time of analysis and a very low EPSS (0.04%). The high attack complexity (AV:L/AC:H) reflects a race-condition-style UAF that is non-trivial to win reliably.
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Same weakness CWE-416 – Use After Free
View allSame technique Denial Of Service
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External POC / Exploit Code
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