CVE-2021-26885
published 2021-03-11CVE-2021-26885: Windows WalletService Elevation of Privilege Vulnerability
PriorityP276high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
ITWVulnCheck KEV
Exploited in the wild
EPSS
3.47%
88.2th percentile
Windows WalletService Elevation of Privilege Vulnerability
Affected
33 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| 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 | >= 10.0.0 < 10.0.17763.1817 | 10.0.17763.1817 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 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 |
| msrc | windows_10_for_32-bit_systems | — | — |
| msrc | windows_10_for_x64-based_systems | — | — |
| msrc | windows_10_version_1607_for_32-bit_systems | — | — |
| msrc | windows_10_version_1607_for_x64-based_systems | — | — |
| msrc | windows_10_version_1803_for_32-bit_systems | — | — |
| msrc | windows_10_version_1803_for_arm64-based_systems | — | — |
| msrc | windows_10_version_1803_for_x64-based_systems | — | — |
| msrc | windows_10_version_1809_for_32-bit_systems | — | — |
| msrc | windows_10_version_1809_for_arm64-based_systems | — | — |
| msrc | windows_10_version_1809_for_x64-based_systems | — | — |
| msrc | windows_10_version_1909_for_32-bit_systems | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- ·Exploit status indicates this vulnerability has NOT been publicly exploited or disclosed as of the advisory; exploitation is rated 'Less Likely' for both latest and older software releases. ↗
- ·The vulnerability affects Windows WalletService and is patched via multiple KB updates; no technical exploitation details, hashes, commands, or network indicators are present in the available sources. ↗
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
vulncheck7.8HIGH
vendor_msrc7.8HIGH
CVEs like this are exactly what “Exploited This Week” covers.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Microsoft Windows up to Server 2019 WalletService privileges management
vuldb·2026-08-20·CVSS 7.8
CVE-2021-26885 [HIGH] Microsoft Windows up to Server 2019 WalletService privileges management
A vulnerability classified as critical has been found in Microsoft Windows. The affected element is an unknown function of the component WalletService. The manipulation leads to improper privilege management.
This vulnerability is listed as CVE-2021-26885. The attack must be carried out locally. There is no available exploit.
It is recommended to apply a patch to fix this issue.
GHSA
GHSA-x625-hhmv-77c7: Windows WalletService Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-26885
ghsa_unreviewed·2022-05-24·CVSS 7.8
CVE-2021-26871 [HIGH] CWE-269 GHSA-x625-hhmv-77c7: Windows WalletService Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-26885
Windows WalletService Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-26885.
GHSA
GHSA-wwrr-w22f-49m4: Windows WalletService Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-26871
ghsa_unreviewed·2022-05-24·CVSS 7.8
CVE-2021-26885 [HIGH] CWE-269 GHSA-wwrr-w22f-49m4: Windows WalletService Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-26871
Windows WalletService Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-26871.
VulnCheck
Windows WalletService Privilege Escalation
vulncheck·2021·CVSS 7.8
CVE-2021-26885 [HIGH] Windows WalletService Privilege Escalation
Windows WalletService Privilege Escalation
Windows WalletService Elevation of Privilege Vulnerability
Affected: Microsoft Windows
Required Action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Exploitation References: https://www.cert.ssi.gouv.fr/uploads/CERTFR-2021-CTI-013.pdf
Microsoft
Windows WalletService Elevation of Privilege Vulnerability
vendor_msrc·2021-03-09·CVSS 7.8
CVE-2021-26885 [HIGH] Windows WalletService Elevation of Privilege Vulnerability
Windows WalletService Elevation of Privilege Vulnerability
Windows WalletService: Windows WalletService
Microsoft: Microsoft
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5000809
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5000822
Reference: https://support.microsoft.com/help/5000822
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5000808
Reference: https://support.microsoft.com/help/5000808
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5000802
Reference: https://support.microsoft.com/help/500
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-03-11
Published
Exploited in the wild