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OpenAdvisories
High · 7.8 Public exploit CVE-2021-26871 EUVD-2021-13655GHSA-x625-hhmv-77c7

Windows WalletService Elevation of Privilege Vulnerability

Published Mar 11, 2021 · Updated Aug 19, 2026 · Assigned by microsoft

Description

Windows WalletService Elevation of Privilege Vulnerability

Affected products

VendorProductAffectedFixed
Microsoft Windows 10 Version 1507 10.0.10240.0 – < 10.0.10240.18874 10.0.10240.18874
Microsoft Windows 10 Version 1607 10.0.14393.0 – < 10.0.14393.4283 10.0.14393.4283
Microsoft Windows 10 Version 1803 10.0.0 – < 10.0.17134.2087 10.0.17134.2087
Microsoft Windows 10 Version 1809 10.0.17763.0 – < 10.0.17763.1817, 10.0.0 – < 10.0.17763.1817 10.0.17763.1817
Microsoft Windows 10 Version 1909 10.0.0 – < 10.0.18363.1440 10.0.18363.1440
Microsoft Windows 10 Version 2004 10.0.0 – < 10.0.19043.867 10.0.19043.867
Microsoft Windows 10 Version 20H2 10.0.0 – < 10.0.19043.867 10.0.19043.867

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 1

References