CVE-2022-21999

86

FAUCET Score

CVE-2022-21999 is a critical Elevation of Privilege vulnerability affecting the Windows Print Spooler. With a CVSS score of 7.8 (HIGH), it allows a local, low-privileged attacker to gain full administrative control over a vulnerable system. This flaw is actively exploited in the wild, including in known ransomware campaigns, and has a Metasploit module available for exploitation. The vulnerability has garnered significant community attention and media coverage, underscoring its severe risk.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 10.0.10240.19204CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1507::::::::
		< 10.0.14393.4946CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1607::::::::
		< 10.0.17763.2565CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1809::::::::
		< 10.0.18363.2094CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1909::::::::
		< 10.0.19042.1526CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_20h2::::::::

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

1.8

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

41.68%

Probability of exploitation in next 30 days

EPSS Percentile

98.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-26

Model: v2026.06.15

Added to KEV · Mar 25, 2022

Metasploit: CVE-2022-21999 SpoolFool Privesc · Feb 8, 2022

This CVE's current EPSS score of 0.4168 is in the 100th percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (49)

microsoftpatch availablevia nvd_reference

microsoftpatch availablevia msrc

Product: Windows 10 Version 1809 for 32-bit SystemsFixed in: 10.0.17763.2565

microsoftpatch availablevia msrc

Product: Windows 10 Version 1809 for x64-based SystemsFixed in: 10.0.17763.2565

microsoftpatch availablevia msrc

Product: Windows 10 Version 1809 for ARM64-based SystemsFixed in: 10.0.17763.2565

microsoftpatch availablevia msrc

Product: Windows Server 2019Fixed in: 10.0.17763.2565

microsoftpatch availablevia msrc

Product: Windows Server 2019 (Server Core installation)Fixed in: 10.0.17763.2565

microsoftpatch availablevia msrc

Product: Windows 10 Version 1909 for 32-bit SystemsFixed in: 10.0.18363.2094

microsoftpatch availablevia msrc

Product: Windows 10 Version 1909 for x64-based SystemsFixed in: 10.0.18363.2094

microsoftpatch availablevia msrc

Product: Windows 10 Version 1909 for ARM64-based SystemsFixed in: 10.0.18363.2094

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H1 for x64-based SystemsFixed in: 10.0.19043.1526

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H1 for ARM64-based SystemsFixed in: 10.0.19043.1526

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H1 for 32-bit SystemsFixed in: 10.0.19043.1526

microsoftpatch availablevia msrc

Product: Windows Server 2022Fixed in: 10.0.20348.524

microsoftpatch availablevia msrc

Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.524

microsoftpatch availablevia msrc

Product: Windows Server 2022Fixed in: 10.0.20348.525

microsoftpatch availablevia msrc

Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.525

microsoftpatch availablevia msrc

Product: Windows 10 Version 20H2 for 32-bit SystemsFixed in: 10.0.19042.1526

microsoftpatch availablevia msrc

Product: Windows 10 Version 20H2 for ARM64-based SystemsFixed in: 10.0.19042.1526

microsoftpatch availablevia msrc

Product: Windows Server, version 20H2 (Server Core Installation)Fixed in: 10.0.19042.1526

microsoftpatch availablevia msrc

Product: Windows 11 version 21H2 for x64-based SystemsFixed in: 10.0.22000.493

microsoftpatch availablevia msrc

Product: Windows 11 version 21H2 for ARM64-based SystemsFixed in: 10.0.22000.493

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for 32-bit SystemsFixed in: 10.0.19044.1526

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 10.0.19044.1526

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for x64-based SystemsFixed in: 10.0.19044.1526

microsoftpatch availablevia msrc

Product: Windows 10 for 32-bit SystemsFixed in: 10.0.10240.19204

microsoftpatch availablevia msrc

Product: Windows 10 for x64-based SystemsFixed in: 10.0.10240.19204

microsoftpatch availablevia msrc

Product: Windows 10 Version 1607 for 32-bit SystemsFixed in: 10.0.14393.4946

microsoftpatch availablevia msrc

Product: Windows 10 Version 1607 for x64-based SystemsFixed in: 10.0.14393.4946

microsoftpatch availablevia msrc

Product: Windows Server 2016Fixed in: 10.0.14393.4946

microsoftpatch availablevia msrc

Product: Windows Server 2016 (Server Core installation)Fixed in: 10.0.14393.4946

microsoftpatch availablevia msrc

Product: Windows 7 for 32-bit Systems Service Pack 1Fixed in: 6.1.7601.25860

microsoftpatch availablevia msrc

Product: Windows 7 for x64-based Systems Service Pack 1Fixed in: 6.1.7601.25860

microsoftpatch availablevia msrc

Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1Fixed in: 6.1.7601.25860

microsoftpatch availablevia msrc

Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Fixed in: 6.1.7601.25860

microsoftpatch availablevia msrc

Product: Windows 8.1 for 32-bit systemsFixed in: 6.3.9600.20269

microsoftpatch availablevia msrc

Product: Windows 8.1 for x64-based systemsFixed in: 6.3.9600.20269

microsoftpatch availablevia msrc

Product: Windows Server 2012 R2Fixed in: 6.3.9600.20269

microsoftpatch availablevia msrc

Product: Windows Server 2012 R2 (Server Core installation)Fixed in: 6.3.9600.20269

microsoftpatch availablevia msrc

Product: Windows RT 8.1Fixed in: 6.3.9600.20269

microsoftpatch availablevia msrc

Product: Windows Server 2008 for 32-bit Systems Service Pack 2Fixed in: 6.0.6003.21374

microsoftpatch availablevia msrc

Product: Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Fixed in: 6.0.6003.21374

microsoftpatch availablevia msrc

Product: Windows Server 2008 for x64-based Systems Service Pack 2Fixed in: 6.0.6003.21374

microsoftpatch availablevia msrc

Product: Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)Fixed in: 6.0.6003.21374

microsoftpatch availablevia msrc

Product: Windows Server 2008 for 32-bit Systems Service Pack 2Fixed in: 6.0.6003.21372

microsoftpatch availablevia msrc

Product: Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Fixed in: 6.0.6003.21372

microsoftpatch availablevia msrc

Product: Windows Server 2008 for x64-based Systems Service Pack 2Fixed in: 6.0.6003.21372

microsoftpatch availablevia msrc

Product: Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)Fixed in: 6.0.6003.21372

microsoftpatch availablevia msrc

Product: Windows Server 2012Fixed in: 6.2.9200.23605

microsoftpatch availablevia msrc

Product: Windows Server 2012 (Server Core installation)Fixed in: 6.2.9200.23605

Vendor Advisories (1)

microsoft2022-Feb/CVE-2022-21999Important

Windows Print Spooler Elevation of Privilege Vulnerability

References

cisa.gov / known-exploited-vulnerabilities-catalog

US Government Resource

msrc.microsoft.com / update-guide/vulnerability/CVE-2022-21999

PatchVendor Advisory