CVE-2026-26178: CWE-681: Incorrect Conversion between Numeric Types in Microsoft Windows 10 Version 1607
Integer size truncation in Windows Advanced Rasterization Platform (WARP) allows an unauthorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-26178) is caused by incorrect conversion between numeric types (integer size truncation) in the Windows Advanced Rasterization Platform (WARP) component of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation of this flaw enables a local attacker without privileges to elevate their privileges on the system. The CVSS v3.1 base score is 8.8, indicating a high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an unauthorized local attacker to elevate privileges, potentially gaining higher-level access to the affected Windows 10 system. This can lead to full system compromise, affecting confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26178. Applying this patch fully mitigates the vulnerability.
CVE-2026-26178: CWE-681: Incorrect Conversion between Numeric Types in Microsoft Windows 10 Version 1607
Description
Integer size truncation in Windows Advanced Rasterization Platform (WARP) allows an unauthorized attacker to elevate privileges locally.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-26178) is caused by incorrect conversion between numeric types (integer size truncation) in the Windows Advanced Rasterization Platform (WARP) component of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation of this flaw enables a local attacker without privileges to elevate their privileges on the system. The CVSS v3.1 base score is 8.8, indicating a high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an unauthorized local attacker to elevate privileges, potentially gaining higher-level access to the affected Windows 10 system. This can lead to full system compromise, affecting confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26178. Applying this patch fully mitigates the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T18:33:57.777Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26178","vendor":"Microsoft"}]
Threat ID: 69de7a1b82d89c981fd6a6dc
Added to database: 04/14/2026, 17:32:11 UTC
Last enriched: 06/19/2026, 17:00:37 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 151
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