← Vulnerability feed

Vulnerability record · CVE-2026-62886 · published 11 August 2026

CVE-2026-62886: Microsoft visual studio 2022 heap-based buffer overflow vulnerability

Microsoft · Visual Studio 2022

Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

7.8 CVSS 3.1 High EPSS 0.47% · top 62.1% CWE-122 · Heap-based buffer overflowCWE-190 · Integer overflow
7.8CVSS 3.1 base score
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
1References
8 Sep 2026Last modified by NVD

Description

Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62886 PatchVendor Advisory

Track CVE-2026-62886 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2023-44487HTTP/2 Rapid Reset stream cancellation denial of serviceThe HTTP/2 protocol permits a client to cancel many streams quickly, and the server's handling of those resets consumes disproportionate resources. T…KEVEPSS 100%analysed7.5CVE-2023-38180Microsoft .NET and Visual Studio uncontrolled resource consumption DoSCVE-2023-38180 is a denial-of-service flaw in Microsoft .NET, ASP.NET Core and Visual Studio 2022, classified as uncontrolled resource consumption (C…KEVEPSS 14%analysed9.9CVE-2025-55315ASP.NET Core HTTP request smuggling bypasses security featuresASP.NET Core inconsistently interprets HTTP requests, enabling HTTP request/response smuggling (CWE-444). An attacker who already holds some authoriz…EPSS 66%analysed9.8CVE-2026-47304Microsoft .net framework insufficient verification of data authenticity vulnerabilityImproper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.EPSS 0.29%9.8CVE-2024-43498Microsoft .net type confusion vulnerability.NET and Visual Studio Remote Code Execution VulnerabilityEPSS 3.6%9.8CVE-2024-0057Microsoft powershell improper input validation vulnerabilityNET, .NET Framework, and Visual Studio Security Feature Bypass VulnerabilityEPSS 2.8%9.8CVE-2023-36049Microsoft .net framework improper input validation vulnerability.NET, .NET Framework, and Visual Studio Elevation of Privilege VulnerabilityEPSS 13%9.8CVE-2023-36758Microsoft visual studio 2022 link following vulnerabilityVisual Studio Elevation of Privilege VulnerabilityEPSS 1.3%

Source: NIST National Vulnerability Database (record CVE-2026-62886), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.