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CVE-2026-32177: CWE-122: Heap-based Buffer Overflow in Microsoft .NET 10.0

0
High
VulnerabilityCVE-2026-32177cvecve-2026-32177cwe-122cwe-20
Published: Tue May 12 2026 (05/12/2026, 16:58:15 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: .NET 10.0

Description

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/12/2026, 19:37:28 UTC

Technical Analysis

This vulnerability involves a heap-based buffer overflow in Microsoft .NET 10.0, which can be exploited by an unauthorized local attacker to gain elevated privileges. The CVSS vector indicates the attack requires local access with low attack complexity and no privileges initially, but user interaction is required. The impact includes high confidentiality and integrity loss with low availability impact. Microsoft has released an official fix for this vulnerability.

Potential Impact

Successful exploitation allows an unauthorized local attacker to elevate privileges, potentially leading to unauthorized access and control over affected systems. The confidentiality and integrity impacts are high, while availability impact is low. No known exploits are reported in the wild at this time.

Mitigation Recommendations

An official patch is available from Microsoft to remediate this vulnerability. Users and administrators should apply the update provided in the Microsoft security advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32177 to mitigate this risk.

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Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-03-11T00:26:53.425Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32177","vendor":"Microsoft"}]

Threat ID: 6a036535cbff5d861008c2a8

Added to database: 5/12/2026, 5:36:53 PM

Last enriched: 5/12/2026, 7:37:28 PM

Last updated: 5/13/2026, 4:57:58 AM

Views: 3

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