CVE-2023-29326

22

FAUCET Score

CVE-2023-29326 is a remote code execution vulnerability affecting Microsoft's .NET Framework. With a CVSS score of 7.8 (High), this vulnerability can lead to high impact on confidentiality, integrity, and availability, requiring user interaction for exploitation. Despite its severity, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed in CISA's KEV catalog, indicating no active exploitation. However, it has garnered some community discussion and media coverage, including its mention in Microsoft's June 2023 Patch Tuesday.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		3.5.1CPE matchmatch criteria	cpe:2.3:a:microsoft:.net_framework:3.5.1:::::::*
		3.5CPE matchmatch criteria	cpe:2.3:a:microsoft:.net_framework:3.5:::::::*
		4.6.2CPE matchmatch criteria	cpe:2.3:a:microsoft:.net_framework:4.6.2:::::::*
		4.8.1CPE matchmatch criteria	cpe:2.3:a:microsoft:.net_framework:4.8.1:::::::*
		4.8CPE matchmatch criteria	cpe:2.3:a:microsoft:.net_framework:4.8:::::::*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

1.8

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.90%

Probability of exploitation in next 30 days

EPSS Percentile

56.0%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0090 is in the 53rd percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (50)

microsoftpatch availablevia nvd_reference

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit SystemsFixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based SystemsFixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019Fixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)Fixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based SystemsFixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022Fixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (Server Core installation)Fixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 11 version 21H2 for x64-based SystemsFixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 11 version 21H2 for ARM64-based SystemsFixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for 32-bit SystemsFixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for x64-based SystemsFixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit SystemsFixed in: 4.7.4050.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based SystemsFixed in: 4.7.4050.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019Fixed in: 4.7.4050.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)Fixed in: 4.7.4050.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit SystemsFixed in: 10.0.14393.5989

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based SystemsFixed in: 10.0.14393.5989

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016Fixed in: 10.0.14393.5989

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation)Fixed in: 10.0.14393.5989

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022Fixed in: 4.8.9166.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 (Server Core installation)Fixed in: 4.8.9166.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 21H2 for x64-based SystemsFixed in: 4.8.9166.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 21H2 for ARM64-based SystemsFixed in: 4.8.9166.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2Fixed in: 3.0.6920.8954; 2.0.50727.8970

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2Fixed in: 3.0.6920.8954; 2.0.50727.8970

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2Fixed in: 3.0.6920.8954; 2.0.50727.8970

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2Fixed in: 3.0.6920.8954; 2.0.50727.8970

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2Fixed in: 4.7.4050.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2Fixed in: 4.7.4050.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 on Windows Server 2012Fixed in: 3.0.6920.8954; 2.0.50727.8970

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation)Fixed in: 3.0.6920.8954; 2.0.50727.8970

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 on Windows Server 2012 R2Fixed in: 3.0.6920.8954; 2.0.50727.8970

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation)Fixed in: 3.0.6920.8954; 2.0.50727.8970

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1Fixed in: 3.0.6920.8954; 2.0.50727.8970

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Fixed in: 3.0.6920.8954; 2.0.50727.8970

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for x64-based SystemsFixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for ARM64-based SystemsFixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for 32-bit SystemsFixed in: 4.8.4644.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for 32-bit SystemsFixed in: 4.8.9166.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 4.8.9166.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for x64-based SystemsFixed in: 4.8.9166.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for ARM64-based SystemsFixed in: 4.8.9166.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for x64-based SystemsFixed in: 4.8.9166.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for x64-based SystemsFixed in: 4.8.9166.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for ARM64-based SystemsFixed in: 4.8.9166.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for 32-bit SystemsFixed in: 4.8.9166.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 and 4.6.2 on Windows 10 for 32-bit SystemsFixed in: 10.0.10240.19983

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 and 4.6.2 on Windows 10 for x64-based SystemsFixed in: 10.0.10240.19983

Vendor Advisories (2)

redhatCVE-2023-29326Important

dotnet: Remote Code Execution Vulnerability

microsoft2023-Jun/CVE-2023-29326Important

.NET Framework Remote Code Execution Vulnerability

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2023-29326

PatchVendor Advisory