CVE-2026-27920: 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 (CWE-822) occurs due to untrusted pointer dereference in the Windows UPnP Device Host component on Windows 10 Version 1607 (build 10.0.14393.0). An authorized local attacker can exploit this flaw to elevate privileges on the affected system. The CVSS 3.1 vector indicates local attack vector with low complexity, requiring privileges but no user interaction, and results in high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the system. This could lead to full system compromise, affecting confidentiality, integrity, and availability of the affected Windows 10 system.
Mitigation Recommendations
An official fix is available from Microsoft. It is strongly recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27920 to remediate this vulnerability.
CVE-2026-27920: 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 (CWE-822) occurs due to untrusted pointer dereference in the Windows UPnP Device Host component on Windows 10 Version 1607 (build 10.0.14393.0). An authorized local attacker can exploit this flaw to elevate privileges on the affected system. The CVSS 3.1 vector indicates local attack vector with low complexity, requiring privileges but no user interaction, and results in high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the system. This could lead to full system compromise, affecting confidentiality, integrity, and availability of the affected Windows 10 system.
Mitigation Recommendations
An official fix is available from Microsoft. It is strongly recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27920 to remediate this vulnerability.
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-2026-27920","vendor":"Microsoft"}]
Threat ID: 69de7a2182d89c981fd6a7dc
Added to database: 4/14/2026, 5:32:17 PM
Last enriched: 5/19/2026, 10:38:36 AM
Last updated: 5/26/2026, 9:18:10 PM
Views: 27
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