CVE-2026-32177

33

FAUCET Score

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

First published: May 12, 2026Last modified: Jun 19, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 17.12.0, < 17.12.20CPE matchmatch criteria	cpe:2.3:a:microsoft:visual_studio_2022::::::-::*
		>= 17.14.0, < 17.14.32CPE matchmatch criteria	cpe:2.3:a:microsoft:visual_studio_2022::::::-::*
		>= 18.5.0, < 18.5.3CPE matchmatch criteria	cpe:2.3:a:microsoft:visual_studio_2026::::::::
		4.8CPE matchmatch criteria	cpe:2.3:a:microsoft:.net_framework:4.8:::::::*
		4.6.2CPE matchmatch criteria	cpe:2.3:a:microsoft:.net_framework:4.6.2:::::::*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

Exploitability Score

1.8

Impact Score

5.5

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.55%

Probability of exploitation in next 30 days

EPSS Percentile

42.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0055 is in the 42nd 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 (70)

microsoftpatch availablevia msrc

Product: 11676-12099Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-12099Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11650-10816Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11650-10378Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11650-10483Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11676-11931Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-12436Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 2472-10378Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 2472-10483Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-12390Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: .NET 10.0 installed on WindowsFixed in: 10.0.8

microsoftpatch availablevia msrc

Product: .NET 8.0 installed on WindowsFixed in: 8.0.27

microsoftpatch availablevia msrc

Product: .NET 9.0 installed on WindowsFixed in: 9.0.16

microsoftpatch availablevia msrc

Product: Microsoft Visual Studio 2022 version 17.12Fixed in: 17.12.20

microsoftpatch availablevia msrc

Product: Microsoft Visual Studio 2022 version 17.14Fixed in: 17.14.32

microsoftpatch availablevia msrc

Product: Microsoft Visual Studio 2026 version 18.5Fixed in: 18.5.3

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8 on Windows Server 2016Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8 on Windows Server 2012Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.8 on Windows Server 2012 R2Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for x64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for x64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for ARM64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for x64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for ARM64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for ARM64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for x64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 26H1 for x64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 26H1 for ARM64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for x64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for ARM64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for x64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 on Windows Server 2012Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 on Windows Server 2012 R2Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11676-11569Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11676-11570Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11676-11571Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11676-11923Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11676-12097Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11676-12098Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11677-11569Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-11923Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11677-11571Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11863-10378Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-12086Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-12243Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-20437Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-20438Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-21196Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-20853Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-20854Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11650-10853Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11677-11570Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-11930Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-12097Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-12389Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 11863-10483Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: 12079-12098Fixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for ARM64-based SystemsFixed in: 4.8.9334.0 and 4.8.4802.0

microsoftpatch availablevia msrc

Product: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019Fixed in: 4.8.9334.0 and 4.8.4802.0

Vendor Advisories (1)

microsoft2026-May/CVE-2026-32177Important

.NET Elevation of Privilege Vulnerability

References

access.redhat.com / security/cve/CVE-2026-32177

bugzilla.redhat.com / show_bug.cgi

security.access.redhat.com / data/csaf/v2/vex/2026/cve-2026-32177.json

msrc.microsoft.com / update-guide/vulnerability/CVE-2026-32177

Vendor Advisory