7.8

CVE-2019-1322: Microsoft Windows Privilege Escalation Vulnerability

CVSS: 7.8v3.1HighKEVRansomwareAnalyzed
Published 10-10-2019Last modified 21-10-2025
Open JSON

Vulnerability summary

CVE-2019-1322 is a high (CVSS 7.8) vulnerability in Microsoft Windows. It is known to be exploited: CISA lists it, first on 15-03-2022. It has been used in ransomware campaigns. EPSS estimates a 19.20% chance of exploitation in the next 30 days, higher than 97.3% of scored vulnerabilities. 4 public exploits are recorded.

Overall risk
90/100
0100
Critical · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
19.20%
0%100%
Medium · 0.00 pp in 30 days
KEVListedCISA
RansomwareKnown useFlagged by CISA
Public exploits4reference, exploit-database, metasploit

Timeline

  1. 10-10-2019
    PublishedVulnerability first disclosed.
  2. 15-03-2022
    Added to CISA KEVMicrosoft Windows Privilege Escalation Vulnerability
  3. 05-04-2022
    CISA remediation dueApply updates per vendor instructions.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

19.20%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 19.20% on 19-09-2026

19-09-202619-10-2026
EPSS score
19.20%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
15-03-2022
Federal due date
05-04-2022
Ransomware

CISA required action

Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2019-1322

Public exploits

4 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databaselocalwindowsVerified

    Microsoft UPnP - Local Privilege Elevation (Metasploit)

    Maturity: weaponized

  • exploit-databaselocalwindowsUnverified

    Microsoft Windows 10 Build 1803 < 1903 - 'COMahawk' Local Privilege Escalation

    Maturity: poc

Show all 4 exploits
  • MetasploitMetasploitremoteVerified

    Microsoft UPnP Local Privilege Elevation Vulnerability

    exploit/windows/local/comahawk

    Maturity: weaponized

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Microsoft12 products

1 vendor · 12 products

References

3 links