7.8

CVE-2019-1405: Microsoft Windows Universal Plug and Play (UPnP) Service Privilege Escalation Vulnerability

CVSS: 7.8v3.1HighKEVRansomwareAnalyzed
Published 12-11-2019Last modified 12-08-2026
Open JSON

Vulnerability summary

CVE-2019-1405 is a high (CVSS 7.8) Improper Privilege Management 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 30.17% chance of exploitation in the next 30 days, higher than 98.2% of scored vulnerabilities. 3 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
30.17%
0%100%
High · +0.22 pp in 30 days
KEVListedCISA
RansomwareKnown useFlagged by CISA
Public exploits3exploit-database, metasploit

Timeline

  1. 12-11-2019
    PublishedVulnerability first disclosed.
  2. 15-03-2022
    Added to CISA KEVMicrosoft Windows Universal Plug and Play (UPnP) Service Privilege Escalation Vulnerability
  3. 05-04-2022
    CISA remediation dueApply updates per vendor instructions.
  4. 12-08-2026
    Last modifiedVulnerability information updated.

Description

An elevation of privilege vulnerability exists when the Windows Universal Plug and Play (UPnP) service improperly allows COM object creation, aka 'Windows UPnP Service Elevation of Privilege Vulnerability'.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

30.17%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

+0.22 pp

From 29.95% on 19-09-2026

19-09-202619-10-2026
EPSS score
30.17%

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-2019-1405

Public exploits

3 found
  • exploit-databaselocalwindowsVerified

    Microsoft UPnP - Local Privilege Elevation (Metasploit)

    Maturity: weaponized

  • exploit-databaselocalwindowsUnverified

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

    Maturity: poc

  • MetasploitMetasploitremoteVerified

    Microsoft UPnP Local Privilege Elevation Vulnerability

    exploit/windows/local/comahawk

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Microsoft21 products
  • windowsEOL7 for 32-bit Systems Service Pack 1 | 7 for x64-based Systems Service Pack 1 | 8.1 for 32-bit systems | 8.1 for x64-based systems | RT 8.1 | 10 for 32-bit Systems | 10 for x64-based Systems | 10 Version 1607 for 32-bit Systems | 10 Version 1607 for x64-based Systems | 10 Version 1709 for 32-bit Systems | 10 Version 1709 for x64-based Systems | 10 Version 1803 for 32-bit Systems | 10 Version 1803 for x64-based Systems | 10 Version 1803 for ARM64-based Systems | 10 Version 1809 for 32-bit Systems | 10 Version 1809 for x64-based Systems | 10 Version 1809 for ARM64-based Systems | 10 Version 1709 for ARM64-based Systems
  • windows_10_1507na
  • windows_10_1607na
  • windows_10_1709na
  • windows_10_1803na

1 vendor · 21 products

References

3 links