CVE-2024-43451

92

FAUCET Score

CVE-2024-43451 is an NTLM Hash Disclosure Spoofing Vulnerability affecting Microsoft products. This medium-severity vulnerability (CVSS 6.5) allows for high confidentiality impact with low attack complexity, requiring user interaction via a network vector. It is actively exploited in the wild, as confirmed by its inclusion in the KEV catalog, and has garnered significant community attention and media coverage, despite the absence of public exploit code in Metasploit, Nuclei, or ExploitDB.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 10.0.10240.20826CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1507:::::::x64:*
		< 10.0.10240.20826CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1507:::::::x86:*
		< 10.0.14393.7515CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1607:::::::x64:*
		< 10.0.14393.7515CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1607:::::::x86:*
		< 10.0.17763.6532CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1809:::::::x64:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

81.82%

Probability of exploitation in next 30 days

EPSS Percentile

99.6%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

Added to KEV · Nov 12, 2024

This CVE's current EPSS score of 0.8182 is in the 100th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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 (50)

microsoftpatch availablevia nvd_reference

microsoftpatch availablevia msrc

Product: Windows Server 2025Fixed in: 10.0.26100.2314

microsoftpatch availablevia msrc

Product: Windows Server 2025 (Server Core installation)Fixed in: 10.0.26100.2314

microsoftpatch availablevia msrc

Product: Windows Server 2025Fixed in: 10.0.26100.2240

microsoftpatch availablevia msrc

Product: Windows Server 2025 (Server Core installation)Fixed in: 10.0.26100.2240

microsoftpatch availablevia msrc

Product: Windows 11 Version 24H2 for ARM64-based SystemsFixed in: 10.0.26100.2240

microsoftpatch availablevia msrc

Product: Windows 11 Version 24H2 for x64-based SystemsFixed in: 10.0.26100.2240

microsoftpatch availablevia msrc

Product: Windows 10 Version 1809 for 32-bit SystemsFixed in: 10.0.17763.6532

microsoftpatch availablevia msrc

Product: Windows 10 Version 1809 for x64-based SystemsFixed in: 10.0.17763.6532

microsoftpatch availablevia msrc

Product: Windows Server 2019Fixed in: 10.0.17763.6532

microsoftpatch availablevia msrc

Product: Windows Server 2019 (Server Core installation)Fixed in: 10.0.17763.6532

microsoftpatch availablevia msrc

Product: Windows Server 2022Fixed in: 10.0.20348.2849

microsoftpatch availablevia msrc

Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.2849

microsoftpatch availablevia msrc

Product: Windows Server 2022Fixed in: 10.0.20348.2819

microsoftpatch availablevia msrc

Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.2819

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for 32-bit SystemsFixed in: 10.0.19044.5131

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 10.0.19044.5131

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for x64-based SystemsFixed in: 10.0.19044.5131

microsoftpatch availablevia msrc

Product: Windows 11 Version 22H2 for ARM64-based SystemsFixed in: 10.0.22621.4460

microsoftpatch availablevia msrc

Product: Windows 11 Version 22H2 for x64-based SystemsFixed in: 10.0.22621.4460

microsoftpatch availablevia msrc

Product: Windows 10 Version 22H2 for x64-based SystemsFixed in: 10.0.19045.5131

microsoftpatch availablevia msrc

Product: Windows 10 Version 22H2 for ARM64-based SystemsFixed in: 10.0.19045.5131

microsoftpatch availablevia msrc

Product: Windows 10 Version 22H2 for 32-bit SystemsFixed in: 10.0.19045.5131

microsoftpatch availablevia msrc

Product: Windows 11 Version 23H2 for ARM64-based SystemsFixed in: 10.0.22631.4460

microsoftpatch availablevia msrc

Product: Windows 11 Version 23H2 for x64-based SystemsFixed in: 10.0.22631.4460

microsoftpatch availablevia msrc

Product: Windows Server 2022, 23H2 Edition (Server Core installation)Fixed in: 10.0.25398.1251

microsoftpatch availablevia msrc

Product: Windows 11 Version 24H2 for ARM64-based SystemsFixed in: 10.0.26100.2314

microsoftpatch availablevia msrc

Product: Windows 11 Version 24H2 for x64-based SystemsFixed in: 10.0.26100.2314

microsoftpatch availablevia msrc

Product: Windows 10 for 32-bit SystemsFixed in: 10.0.10240.20826

microsoftpatch availablevia msrc

Product: Windows 10 for x64-based SystemsFixed in: 10.0.10240.20826

microsoftpatch availablevia msrc

Product: Windows 10 Version 1607 for 32-bit SystemsFixed in: 10.0.14393.7515

microsoftpatch availablevia msrc

Product: Windows 10 Version 1607 for x64-based SystemsFixed in: 10.0.14393.7515

microsoftpatch availablevia msrc

Product: Windows Server 2016Fixed in: 10.0.14393.7515

microsoftpatch availablevia msrc

Product: Windows Server 2016 (Server Core installation)Fixed in: 10.0.14393.7515

microsoftpatch availablevia msrc

Product: Windows Server 2008 for 32-bit Systems Service Pack 2Fixed in: 6.0.6003.22966

microsoftpatch availablevia msrc

Product: Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Fixed in: 6.0.6003.22966

microsoftpatch availablevia msrc

Product: Windows Server 2008 for x64-based Systems Service Pack 2Fixed in: 6.0.6003.22966

microsoftpatch availablevia msrc

Product: Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)Fixed in: 6.0.6003.22966

microsoftpatch availablevia msrc

Product: Windows Server 2008 for 32-bit Systems Service Pack 2Fixed in: 1.001

microsoftpatch availablevia msrc

Product: Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Fixed in: 1.001

microsoftpatch availablevia msrc

Product: Windows Server 2008 for x64-based Systems Service Pack 2Fixed in: 1.001

microsoftpatch availablevia msrc

Product: Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)Fixed in: 1.001

microsoftpatch availablevia msrc

Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1Fixed in: 1.001

microsoftpatch availablevia msrc

Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Fixed in: 1.001

microsoftpatch availablevia msrc

Product: Windows Server 2012 R2Fixed in: 1.001

microsoftpatch availablevia msrc

Product: Windows Server 2012 R2 (Server Core installation)Fixed in: 1.001

microsoftpatch availablevia msrc

Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1Fixed in: 6.1.7601.27415

microsoftpatch availablevia msrc

Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Fixed in: 6.1.7601.27415

microsoftpatch availablevia msrc

Product: Windows Server 2012 R2Fixed in: 6.3.9600.22267

microsoftpatch availablevia msrc

Product: Windows Server 2012 R2 (Server Core installation)Fixed in: 6.3.9600.22267

Vendor Advisories (1)

microsoft2024-Nov/CVE-2024-43451Important

NTLM Hash Disclosure Spoofing Vulnerability

References

cisa.gov / known-exploited-vulnerabilities-catalog

US Government Resource

msrc.microsoft.com / update-guide/vulnerability/CVE-2024-43451

PatchVendor Advisory