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Fencer Vulns
high 7.8

CVE-2019-1322 kev+ ransomware in the critical feed json

An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka 'Microsoft Windows Elevation of…

published 2019-10-10 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9881

cvss
7.8
version 3.1, CNA
cisa kev
Exploited
added 2022-03-15, used in ransomware
epss
18.8%
EPSS 18.8% chance of exploitation in 30 days, percentile 97%
public exploits
3
Metasploit, Exploit-DB

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.

Patch / fix

cisa required action Apply updates per vendor instructions.

Timeline

  1. Published
  2. First public exploit (Metasploit exploit/windows/local/comahawk)
  3. Added to CISA KEV
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
4 y ago
Patch by
2022-04-05 (4 y ago)
Ransomware
Known to be used in ransomware campaigns
Required action
Apply updates per vendor instructions.
Vendor, product
Microsoft, Windows
CISA name
Microsoft Windows Privilege Escalation Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

18.84% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/local/comahawk Microsoft UPnP Local Privilege Elevation Vulnerability metasploit exploit, excellent rank, 2019-11-12
  • EDB-47805 Microsoft UPnP - Local Privilege Elevation (Metasploit) local, 2019-12-30
  • EDB-47684 Microsoft Windows 10 Build 1803 < 1903 - 'COMahawk' Local Privilege Escalation local, 2019-11-14
  • packetstormsecurity.com http://packetstormsecurity.com/files/155723/Microsoft-UPnP-Local-Privilege-Elevation.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • 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)

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.