CVE-2026-27919: CWE-822: Untrusted Pointer Dereference in Microsoft Windows 10 Version 1607
Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-27919) is caused by an untrusted pointer dereference in the Windows Universal Plug and Play (UPnP) Device Host component of Windows 10 Version 1607 (build 10.0.14393.0). It enables a local attacker with authorized access to elevate their privileges on the system. The CVSS 3.1 vector indicates the attack requires local access with low complexity and no user interaction, and it impacts confidentiality, integrity, and availability at a high level. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to gain elevated privileges, potentially leading to full control over the affected system. The impact includes high confidentiality, integrity, and availability consequences, meaning sensitive information could be exposed or altered, and system functionality could be disrupted.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is strongly recommended to apply the available security update from the Microsoft Security Response Center to remediate this issue. No additional mitigation steps are indicated beyond applying the official patch.
CVE-2026-27919: CWE-822: Untrusted Pointer Dereference in Microsoft Windows 10 Version 1607
Description
Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-27919) is caused by an untrusted pointer dereference in the Windows Universal Plug and Play (UPnP) Device Host component of Windows 10 Version 1607 (build 10.0.14393.0). It enables a local attacker with authorized access to elevate their privileges on the system. The CVSS 3.1 vector indicates the attack requires local access with low complexity and no user interaction, and it impacts confidentiality, integrity, and availability at a high level. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to gain elevated privileges, potentially leading to full control over the affected system. The impact includes high confidentiality, integrity, and availability consequences, meaning sensitive information could be exposed or altered, and system functionality could be disrupted.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is strongly recommended to apply the available security update from the Microsoft Security Response Center to remediate this issue. No additional mitigation steps are indicated beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-24T21:35:49.687Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27919","vendor":"Microsoft"}]
Threat ID: 69de7a2182d89c981fd6a7d9
Added to database: 4/14/2026, 5:32:17 PM
Last enriched: 5/19/2026, 10:38:31 AM
Last updated: 5/29/2026, 11:54:35 AM
Views: 50
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