CVE-2025-21178: CWE-122: Heap-based Buffer Overflow in Microsoft Microsoft Visual Studio 2015 Update 3
Visual Studio Remote Code Execution Vulnerability
AI Analysis
Technical Summary
This vulnerability (CVE-2025-21178) involves a heap-based buffer overflow in Microsoft Visual Studio 2015 Update 3 (version 14.0.0). It enables remote code execution with network attack vector, low attack complexity, no privileges required, but requires user interaction. The vulnerability impacts confidentiality, integrity, and availability with high severity. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code remotely, potentially leading to full compromise of the affected system. The vulnerability affects confidentiality, integrity, and availability at a high level.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21178 to remediate this vulnerability.
CVE-2025-21178: CWE-122: Heap-based Buffer Overflow in Microsoft Microsoft Visual Studio 2015 Update 3
Description
Visual Studio Remote Code Execution Vulnerability
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2025-21178) involves a heap-based buffer overflow in Microsoft Visual Studio 2015 Update 3 (version 14.0.0). It enables remote code execution with network attack vector, low attack complexity, no privileges required, but requires user interaction. The vulnerability impacts confidentiality, integrity, and availability with high severity. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code remotely, potentially leading to full compromise of the affected system. The vulnerability affects confidentiality, integrity, and availability at a high level.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21178 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-05T21:43:30.761Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21178","vendor":"Microsoft"}]
Threat ID: 68c0c0d09ed239a66badfce6
Added to database: 09/10/2025, 00:05:36 UTC
Last enriched: 06/10/2026, 09:41:03 UTC
Last updated: 07/08/2026, 10:28:16 UTC
Views: 306
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