CVE-2026-62897

.NET Framework Remote Code Execution Vulnerability

Published Aug 11, 2026 CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Description
Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-fx4q-gjrx-2jw6 Microsoft Security Advisory CVE-2026-62897 – .NET Remote Code Execution Vulnerability
History
Type Values Removed Values Added
First Time appeared Microsoft windows
Microsoft windows 10 1809
Microsoft windows 11 26h1
CPEs cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:x64:*
Vendors & Products Microsoft windows
Microsoft windows 10 1809
Microsoft windows 11 26h1
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.
Title .NET Framework Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft .net
Microsoft .net Framework
Microsoft visual Studio 2022
Microsoft visual Studio 2026
Weaknesses CWE-190
CPEs cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft .net
Microsoft .net Framework
Microsoft visual Studio 2022
Microsoft visual Studio 2026
References
Metrics cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 9:58 PM
Reserved
Jul 14, 2026, 9:25 PM
Status
Analyzed
Published
Aug 11, 2026, 5:18 PM
Modified
Nov 10, 2026, 10:19 PM