CVE DATABASE / CVE-2019-1322
CVE-2019-1322
Microsoft Windows Privilege Escalation Vulnerability
CVSS 7.8 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
RANSOMWARE
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-03-15.
Federal remediation due 2022-04-05.
Required action: Apply updates per vendor instructions.
Summary
An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka 'Microsoft Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1320, CVE-2019-1340.
CVSS 3.1 breakdown
| Base score | 7.8 (HIGH) |
| Vector | 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 | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Affected products
Microsoft windows 10 1803Microsoft windows 10 1809Microsoft windows 10 1903Microsoft windows server 1803Microsoft windows server 1903Microsoft windows server 2019
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References
- http://packetstormsecurity.com/files/155723/Microsoft-UPnP-Local-Privilege-Elevation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1322
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1322
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-29. Always verify against the vendor advisory before acting.