CVE-2019-1322
Microsoft Windows Privilege Escalation Vulnerability
- High 7.8
- Exploited: added to CISA KEV 15 Mar 2022
- Used in ransomware campaigns
Description
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.
Key facts
- Published
- 10 Oct 2019
- Last changed
- 21 Oct 2025
- Assigned by
- microsoft
- KEV added
- 15 Mar 2022
- KEV fix due
- 5 Apr 2022
- Used in ransomware
- Yes, according to CISA
- EPSS
- 18.843% likely to be exploited in the next 30 days, higher than 97.334% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 7.8CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows |
|
| Microsoft | Windows Server |
|
| Microsoft | Windows 10 Version 1903 for 32-bit Systems |
|
| Microsoft | Windows 10 Version 1903 for x64-based Systems |
|
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems |
|
| Microsoft | Windows Server, version 1903 (Server Core installation) |
|
Timeline
- 10 Oct 2019 Published
- 15 Mar 2022 CVE-2019-1322 added to CISA KEV
- 15 Mar 2022 Added to the CISA KEV catalogue