Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

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.

No EPSS score available.

Key SSVC decision points have not yet been added.

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 installed on Windows affected
Version Status Constraints
10.0.0 affected < 10.0.15
Microsoft .NET 11.0 installed on Windows affected
Version Status Constraints
11.0.0-preview.1 affected < 11.0.0
Microsoft .NET 8.0 installed on Windows affected
Version Status Constraints
8.0.0 affected < 8.0.34
Microsoft .NET 9.0 installed on Windows affected
Version Status Constraints
9.0.0 affected < 9.0.23
Microsoft Microsoft Visual Studio 2026 version 18.11 affected
Version Status Constraints
18.11.0 affected < 18.11.4
Microsoft Microsoft Visual Studio 2026 version 18.12 affected
Version Status Constraints
18.12.0 affected < 18.12.0

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Microsoft Subscribe
.net 10.0 Installed On Windows Subscribe
.net 11.0 Installed On Windows Subscribe
.net 8.0 Installed On Windows Subscribe
.net 9.0 Installed On Windows Subscribe
Microsoft Visual Studio 2026 Version 18.11 Subscribe
Microsoft Visual Studio 2026 Version 18.12 Subscribe
Advisories

No advisories yet.

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-2026-118745 cve-icon
History

Tue, 10 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
Description Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.
Title Visual Studio Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft .net 10.0 Installed On Windows
Microsoft .net 11.0 Installed On Windows
Microsoft .net 8.0 Installed On Windows
Microsoft .net 9.0 Installed On Windows
Microsoft microsoft Visual Studio 2026 Version 18.11
Microsoft microsoft Visual Studio 2026 Version 18.12
Weaknesses CWE-122
CPEs cpe:2.3:a:microsoft:.net_10.0_installed_on_windows:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_11.0_installed_on_windows:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_8.0_installed_on_windows:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_9.0_installed_on_windows:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.11:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.12:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft .net 10.0 Installed On Windows
Microsoft .net 11.0 Installed On Windows
Microsoft .net 8.0 Installed On Windows
Microsoft .net 9.0 Installed On Windows
Microsoft microsoft Visual Studio 2026 Version 18.11
Microsoft microsoft Visual Studio 2026 Version 18.12
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-11-10T18:21:51.212Z

Reserved: 2026-10-28T19:08:23.388Z

Link: CVE-2026-118745

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses