CVE-2019-1405: Microsoft Windows Universal Plug and Play (UPnP) Service Privilege Escalation Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 15 Mar 2022, 854 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 30.2%
EPSS score, percentile 98.2 of all scored records
- How severe?
- 7.8 High
CVSS v3.1 base score, from CISA's enrichment of the record
- What should I do?
Required action (CISA), due 5 Apr 2022: Apply updates per vendor instructions.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected: 7 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; 2008 R2 for x64-based Systems Service Pack 1 (Core installation); 2008 R2 for Itanium-Based Systems Service Pack 1; 2008 R2 for x64-based Systems Service Pack 1; 2008 for 32-bit Systems Service Pack 2 (Core installation); 2012; 2012 (Core installation); 2012 R2; 2012 R2 (Core installation); 2016; 2016 (Core installation); version 1803 (Core Installation); 2019; unspecified; unspecified; unspecified; unspecified
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
Apply updates per vendor instructions.
CISA due date for this action: 5 April 2022.
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | 7 for 32-bit Systems Service Pack 1 |
| Affected | 7 for x64-based Systems Service Pack 1 |
| Affected | 8.1 for 32-bit systems |
| Affected | 8.1 for x64-based systems |
| Affected | RT 8.1 |
| Affected | 10 for 32-bit Systems |
| Affected | 10 for x64-based Systems |
| Affected | 10 Version 1607 for 32-bit Systems |
| Affected | 10 Version 1607 for x64-based Systems |
| Affected | 10 Version 1709 for 32-bit Systems |
| Affected | 10 Version 1709 for x64-based Systems |
| Affected | 10 Version 1803 for 32-bit Systems |
And 6 more version entries in the CVE record.
| Status | Versions |
|---|---|
| Affected | 2008 R2 for x64-based Systems Service Pack 1 (Core installation) |
| Affected | 2008 R2 for Itanium-Based Systems Service Pack 1 |
| Affected | 2008 R2 for x64-based Systems Service Pack 1 |
| Affected | 2008 for 32-bit Systems Service Pack 2 (Core installation) |
| Affected | 2012 |
| Affected | 2012 (Core installation) |
| Affected | 2012 R2 |
| Affected | 2012 R2 (Core installation) |
| Affected | 2016 |
| Affected | 2016 (Core installation) |
| Affected | version 1803 (Core Installation) |
| Affected | 2019 |
And 5 more version entries in the CVE record.
| Status | Versions |
|---|---|
| Affected | unspecified |
| Status | Versions |
|---|---|
| Affected | unspecified |
| Status | Versions |
|---|---|
| Affected | unspecified |
| Status | Versions |
|---|---|
| Affected | unspecified |
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
A privilege escalation vulnerability exists when the Windows UPnP service improperly allows COM object creation.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2019-1405 to its Known Exploited Vulnerabilities (KEV) catalog on 15 Mar 2022.
- CISA marks it as known to be used in ransomware campaigns.
- The due date CISA sets for the required action is 5 Apr 2022.
- The CVE record was published on 12 Nov 2019, 854 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 7.8 (High), taken from CISA's enrichment of the record.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 30.2% (percentile 98.2), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
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'.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
- CWE-269: Improper Privilege Management
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 12 Nov 2019 | CVE record published |
| 15 Mar 2022 | Added to CISA KEV |
| 5 Apr 2022 | CISA due date for the required action |
| 12 Aug 2026 | CVE record last updated |
References
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