Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00336.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Microsoft .NET 10.0 affected
Version Status Constraints
10.0.0 affected < 10.0.11
Microsoft .NET 8.0 affected
Version Status Constraints
8.0.0 affected < 8.0.30
Microsoft .NET 9.0 affected
Version Status Constraints
9.0.0 affected < 9.0.19
Microsoft Microsoft .NET Framework 3.5 affected
Version Status Constraints
3.5.0 affected < 2.0.50727.9183 & 3.0.30729.9169
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 affected
Version Status Constraints
4.7.0 affected < 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8 affected
Version Status Constraints
4.8.0 affected < 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0
Microsoft Microsoft .NET Framework 4.8.1 affected
Version Status Constraints
4.8.0.0 affected < 4.8.9344.0
Microsoft Microsoft Visual Studio 2022 version 17.14 affected
Version Status Constraints
17.14.0 affected < 17.14.38
Microsoft Microsoft Visual Studio 2026 version 18.8 affected
Version Status Constraints
18.0 affected < 18.8.3

Configuration 1 [-]

AND
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
OR cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:x64:*

Configuration 2 [-]

AND
OR cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*

Configuration 3 [-]

OR cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*

Configuration 4 [-]

AND
OR cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Configuration 5 [-]

AND
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
OR cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:x64:*

Configuration 6 [-]

AND
OR cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*

No data.

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No data.

Project Subscriptions

Vendors Products
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.net Subscribe
.net Framework Subscribe
Visual Studio 2022 Subscribe
Visual Studio 2026 Subscribe
Windows Subscribe
Windows 10 1809 Subscribe
Windows 11 26h1 Subscribe
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-fx4q-gjrx-2jw6 Microsoft Security Advisory CVE-2026-62897 – .NET Remote Code Execution Vulnerability
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62897 cve-icon cve-icon
History

Fri, 14 Aug 2026 14:15:00 +0000

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

Wed, 12 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Tue, 11 Aug 2026 17:15:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-14T21:47:53.141Z

Reserved: 2026-07-14T21:25:21.035Z

Link: CVE-2026-62897

cve-icon Vulnrichment

Updated: 2026-08-12T13:45:46.826Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-11T17:18:43.850

Modified: 2026-08-14T13:58:30.713

Link: CVE-2026-62897

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-12T16:45:05Z

Weaknesses