CVE-2026-50652

30

FAUCET Score

Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.

First published: Jul 14, 2026Last modified: Jul 22, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		3.5CPE matchmatch criteria	cpe:2.3:a:microsoft:.net_framework:3.5:-::::::
		4.8.1CPE matchmatch criteria	cpe:2.3:a:microsoft:.net_framework:4.8.1:::::::*
		4.6.2CPE matchmatch criteria	cpe:2.3:a:microsoft:.net_framework:4.6.2:::::::*
		4.7CPE matchmatch criteria	cpe:2.3:a:microsoft:.net_framework:4.7:::::::*
		4.7.1CPE matchmatch criteria	cpe:2.3:a:microsoft:.net_framework:4.7.1:::::::*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

1.15%

Probability of exploitation in next 30 days

EPSS Percentile

63.6%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0115 is in the 42nd percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (62)

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 26H1 for x64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 26H1 for ARM64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168

microsoftpatch availablevia nvd_reference

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012Fixed in: 4.7.4143.0

microsoftpatch availablevia msrc

Product: Azure Active DirectoryFixed in: 5.7.1

microsoftpatch availablevia msrc

Product: Azure Active DirectoryFixed in: 7.7.3

microsoftpatch availablevia msrc

Product: Azure Active DirectoryFixed in: 8.19.2

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 on Windows 11 Version 26H1 for ARM64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 on Windows 11 version 26H1 for x64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8.1 on Windows 11 version 26H1 for x64-based SystemsFixed in: 4.8.9340.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8.1 on Windows 11 Version 26H1 for ARM64-based SystemsFixed in: 4.8.9340.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit SystemsFixed in: 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based SystemsFixed in: 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8 on Windows Server 2016Fixed in: 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)Fixed in: 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8 on Windows Server 2012Fixed in: 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)Fixed in: 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8 on Windows Server 2012 R2Fixed in: 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)Fixed in: 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit SystemsFixed in: 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based SystemsFixed in: 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019Fixed in: 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)Fixed in: 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022Fixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (Server Core installation)Fixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for 32-bit SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for x64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for x64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for ARM64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for 32-bit SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.4803.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit SystemsFixed in: 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based SystemsFixed in: 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019Fixed in: 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)Fixed in: 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1607 for 32-bit SystemsFixed in: 2.0.50727.8983 & 3.0.30729.8978 & 4.7.4143.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1607 for x64-based SystemsFixed in: 2.0.50727.8983 & 3.0.30729.8978 & 4.7.4143.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016Fixed in: 2.0.50727.8983 & 3.0.30729.8978 & 4.7.4143.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 (Server Core installation)Fixed in: 2.0.50727.8983 & 3.0.30729.8978 & 4.7.4143.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation)Fixed in: 4.7.4143.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2Fixed in: 4.7.4143.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation)Fixed in: 4.7.4143.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022Fixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 (Server Core installation)Fixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for 32-bit SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for x64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for x64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for ARM64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for 32-bit SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for ARM64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9340.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for x64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9340.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for ARM64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for x64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for ARM64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for x64-based SystemsFixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 on Windows Server 2012Fixed in: 2.0.50727.8983 & 3.0.30729.8978

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation)Fixed in: 2.0.50727.8983 & 3.0.30729.8978

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 on Windows Server 2012 R2Fixed in: 2.0.50727.8983 & 3.0.30729.8978

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation)Fixed in: 2.0.50727.8983 & 3.0.30729.8978

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025 (Server Core installation)Fixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9340.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025Fixed in: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9340.0

Vendor Advisories (1)

microsoft2026-Jul/CVE-2026-50652Important

Azure Active Directory Denial of Service Vulnerability

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2026-50652

Vendor AdvisoryPatch