⚠ Actively exploited in ransomware campaigns
This vulnerability is on the CISA Known Exploited Vulnerabilities list and has been used in known ransomware attacks. CISA required action: Apply updates per vendor instructions.. Due date: 2022-04-15.

CVE-2022-21999

CWE-22 — Path TraversalCWE-59CWE-40CWE-1386CWE-269 — Improper Privilege Management9 documents8 sources
Severity
7.8HIGH
EPSS
71.3%
top 1.28%
CISA KEV
KEVRansomware
Added 2022-03-25
Due 2022-04-15
Exploit
Exploited in wild
Active exploitation observed
Affected products
35
Microsoft Windows 10 Version 1507Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809+32 more
Timeline
PublishedFeb 9
KEV addedMar 25
KEV dueApr 15
CISA Required Action: Apply updates per vendor instructions.

Description

Windows Print Spooler Elevation of Privilege Vulnerability

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages34 packages

▶NVDmicrosoft/windows< 10.0.14393.4946+4
▶CVEListV5microsoft/windows_76.1.0 — 6.1.7601.25860
▶CVEListV5microsoft/windows_8.16.3.0 — 6.3.9600.20269
▶NVDmicrosoft/windows_10_1507< 10.0.10240.19204
▶NVDmicrosoft/windows_10_1607< 10.0.14393.4946

Patches

Patch: msrc.microsoft.com ↗Patch: msrc.microsoft.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-9cr3-63pg-942x: Windows Print Spooler Elevation of Privilege Vulnerability↗2022-02-10
▶
CVEList
Windows Print Spooler Elevation of Privilege Vulnerability↗2022-02-09
▶
VulnCheck
Microsoft Windows Print Spooler Privilege Escalation Vulnerability↗2022
▶

💥Exploits & PoCs

1
Metasploit
CVE-2022-21999 SpoolFool Privesc↗
▶

📋Vendor Advisories

2
CISA
Microsoft Windows Print Spooler Privilege Escalation Vulnerability↗2022-03-25
▶
Microsoft
Windows Print Spooler Elevation of Privilege Vulnerability↗2022-02-08
▶
CVE-2022-21999 (HIGH CVSS 7.8) | Windows Print Spooler Elevation of | cvebase.io