CVE-2026-20853

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CVSS 3.1

7.4 high

EPSS

<1%p25

Published

Jan 13, 2026 (Jan 13, 2026)

Modified

Jul 30, 2026

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows WalletService allows an unauthorized attacker to elevate privileges locally.

Vendors: microsoft
Products: windows 10 1607, windows 10 1809, windows 10 21h2, windows 10 22h2, windows 11 23h2, windows 11 24h2, windows 11 25h2
Weakness: CWE-362
Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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