CVE-2022-26795: Windows Print Spooler Elevation of Privilege Vulnerability

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-04-15 · updated 2026-06-17
Weakness: CWE-269

Description

Windows Print Spooler Elevation of Privilege Vulnerability

Affected products

Microsoft Windows 10 Version 1607: 20h2, 21h1, 21h2, 1809, 1909
Microsoft Windows 11 version 21H2: all versions
Microsoft Windows Server 2016: 20h2
Microsoft Windows Server 2019: all versions
Microsoft Windows Server 2022: all versions
Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.2803 — fixed in 10.0.17763.2803
Microsoft Windows 10 1909: from 10.0.0 before 10.0.18363.2212 — fixed in 10.0.18363.2212
Microsoft Windows 10 20H2: from 10.0.0 before 10.0.19042.1645 — fixed in 10.0.19042.1645
Microsoft Windows 10 21H1: from 10.0.0 before 10.0.19043.1645 — fixed in 10.0.19043.1645
Microsoft Windows 10: from 10.0.19043.0 before 10.0.19044.1645 — fixed in 10.0.19044.1645
Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.613 — fixed in 10.0.22000.613
Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.2803 — fixed in 10.0.17763.2803
Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.643 — fixed in 10.0.20348.643
Microsoft Windows Server version 20H2: from 10.0.0 before 10.0.19042.1645 — fixed in 10.0.19042.1645

How to fix

Upgrade to a fixed version: Microsoft Windows 10 10.0.17763.2803; Microsoft Windows 10 1909 10.0.18363.2212; Microsoft Windows 10 20H2 10.0.19042.1645; Microsoft Windows 10 21H1 10.0.19043.1645; Microsoft Windows 10 10.0.19044.1645; Microsoft Windows 11 21H2 10.0.22000.613; Microsoft Windows Server 2019 10.0.17763.2803; Microsoft Windows Server 2022 10.0.20348.643; Microsoft Windows Server version 20H2 10.0.19042.1645. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2022-26795 or the next vulnerability affects your stack