Home/CVE/Microsoft Windows User Profile Service Privilege Escalation Vulnerability
CVE

CVE-2022-21919

Microsoft Windows User Profile Service Privilege Escalation Vulnerability

Windows User Profile Service Elevation of Privilege Vulnerability.

HIGH · CVSS 7 ⚠ CISA KEV EPSS 0.00309
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-59Improper Link Resolution Before File Access ('Link Following')
CWE-59Improper Link Resolution Before File Access ('Link Following')
▤

Affected Products & Versions

17
microsoft windows 10 1507< 10.0.10240.19177
microsoft windows 10 1607< 10.0.14393.4886
microsoft windows 10 1809< 10.0.17763.2452
microsoft windows 10 1909< 10.0.18363.2037
microsoft windows 10 20h2< 10.0.19042.1466
microsoft windows 10 21h1< 10.0.19043.1466
microsoft windows 10 21h2< 10.0.19044.1466
microsoft windows 11 21h2< 10.0.22000.434
▣

Scoring & Timeline

7
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Jan 2022 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
cisaKEV-CVE-2022-21919
msrcCVE-2022-21919Elevation of Privilege
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21919Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21919US Government Resource
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