CVE-2026-62871: CWE-787: Out-of-bounds Write in Microsoft .NET 10.0
Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-62871) is an out-of-bounds write flaw in Microsoft .NET 10.0 that enables unauthorized local code execution. The CVSS 3.1 vector indicates low attack complexity and no privileges required, but user interaction is needed. The impact includes high confidentiality, integrity, and availability consequences. Microsoft has released an official fix for this issue.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code locally, potentially leading to full compromise of the affected system's confidentiality, integrity, and availability. No known active exploitation has been reported.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62871 to remediate this vulnerability.
CVE-2026-62871: CWE-787: Out-of-bounds Write in Microsoft .NET 10.0
Description
Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-62871) is an out-of-bounds write flaw in Microsoft .NET 10.0 that enables unauthorized local code execution. The CVSS 3.1 vector indicates low attack complexity and no privileges required, but user interaction is needed. The impact includes high confidentiality, integrity, and availability consequences. Microsoft has released an official fix for this issue.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code locally, potentially leading to full compromise of the affected system's confidentiality, integrity, and availability. No known active exploitation has been reported.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62871 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:13:55.099Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62871","vendor":"Microsoft"}]
Threat ID: 6a7b581fbf8831d5391560d2
Added to database: 08/11/2026, 17:13:03 UTC
Last enriched: 08/11/2026, 21:13:05 UTC
Last updated: 08/11/2026, 22:42:20 UTC
Views: 4
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