High 7.0Known exploited (CISA KEV)Published Apr 15, 2022

CVE-2022-26904Windows User Profile Service Elevation of Privilege Vulnerability

Updated under an hour ago (Oct 27, 2026, 4:00 AM ET)

Does this affect you?

It affects Microsoft Windows 10 Version 1809 and 23 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Apr 25, 2022; federal agencies had to remediate by May 16, 2022. Treat that date as your deadline.

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Every CVE for Microsoft Windows 10 Version 1809

Exploited in the last 30 days

Windows User Profile Service Elevation of Privilege Vulnerability

CVSS: 7.0 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
Weakness (CWE): CWE-362
Known exploited: Added to CISA KEV Apr 25, 2022; federal remediation due May 16, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 16.95% (percentile 97)
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft Windows 10 Version 1809 microsoft:windows_10_1809	from 10.0.17763.0 before 10.0.17763.2803	CNA record
Microsoft Windows Server 2019 microsoft:windows_server_2019 (from the name)	from 10.0.17763.0 before 10.0.17763.2803	CNA record
Microsoft Windows 10 Version 1909 microsoft:windows_10_1909	from 10.0.0 before 10.0.18363.2212	CNA record
Microsoft Windows 10 Version 21H1 microsoft:windows_10_21h1	from 10.0.0 before 10.0.19043.1645	CNA record
Microsoft Windows Server 2022 microsoft:windows_server_2022 (from the name)	from 10.0.20348.0 before 10.0.20348.643	CNA record
Microsoft Windows 10 Version 20H2 microsoft:windows_10_20h2	from 10.0.0 before 10.0.19042.1645	CNA record
Microsoft Windows Server version 20H2 microsoft:windows_server_version_20h2 (from the name)	from 10.0.0 before 10.0.19042.1645	CNA record
Microsoft Windows 11 version 21H2 microsoft:windows_11_21h2	from 10.0.0 before 10.0.22000.613	CNA record
Microsoft Windows 10 Version 21H2 microsoft:windows_10_21h2	from 10.0.19043.0 before 10.0.19044.1645	CNA record
Microsoft Windows 10 Version 1507 microsoft:windows_10_1507	from 10.0.10240.0 before 10.0.10240.19265	CNA record
1–10 of 38

References

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26904	vendor-advisory, patch
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26904	us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.