CVE-2026-62886: CWE-190: Integer Overflow or Wraparound in Microsoft .NET 10.0
Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability in Microsoft .NET 10.0 involves an integer overflow or wraparound condition that can be exploited by an unauthorized local attacker to elevate privileges. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. The attack vector is local with low attack complexity and no privileges required initially, but user interaction is necessary. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an unauthorized local attacker to elevate privileges, potentially gaining higher-level access to the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62886 to remediate this vulnerability.
CVE-2026-62886: CWE-190: Integer Overflow or Wraparound in Microsoft .NET 10.0
Description
Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Microsoft .NET 10.0 involves an integer overflow or wraparound condition that can be exploited by an unauthorized local attacker to elevate privileges. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. The attack vector is local with low attack complexity and no privileges required initially, but user interaction is necessary. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an unauthorized local attacker to elevate privileges, potentially gaining higher-level access to the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62886 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:13:55.100Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62886","vendor":"Microsoft"}]
Threat ID: 6a7b5821bf8831d539156148
Added to database: 08/11/2026, 17:13:05 UTC
Last enriched: 08/11/2026, 20:59:00 UTC
Last updated: 08/12/2026, 02:01:16 UTC
Views: 4
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