CVE-2024-43451

MEDIUM6.5

CISA KEV

Published 2024-11-12 · Updated 2026-06-17 · Source secure@microsoft.com

Summary

CVE-2024-43451 is a medium-severity (CVSS 6.5) vulnerability in Microsoft Windows. CISA added it to the Known Exploited Vulnerabilities catalog on November 12, 2024, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by December 3, 2024. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.

All 390 known-exploited Microsoft vulnerabilities →

Description

NTLM Hash Disclosure Spoofing Vulnerability

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

CWE-73

CISA Known-Exploited Vulnerability

Product: Microsoft — Windows

Name: Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability

Date added: 2024-11-12 · Due: 2024-12-03

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

References

View on NVD

More exploited Microsoft vulnerabilities

Most recently added to CISA KEV

CVE-2026-96951
Windows — Microsoft Windows Command Injection Vulnerability
added 2026-10-13
CVE-2026-65660
SharePoint — Microsoft SharePoint Code Injection Vulnerability
added 2026-09-25
CVE-2026-81963
Windows — Microsoft Windows Link Following Vulnerability
added 2026-09-08
CVE-2026-85880
Windows — Microsoft Windows Heap-Based Buffer Overflow Vulnerability
added 2026-09-08
CVE-2019-1068
SQL Server — Microsoft SQL Server Remote Code Execution Vulnerability
added 2026-08-26
CVE-2026-33824
Internet Key Exchange (IKE) Service Extensions — Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability
added 2026-08-18

View all →

Related CVEs

Same severity, most recent

CVE-2026-9601
The Stackable – Page Builder Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'update_block_style' endpoint in all versions up to, and including, 3.19.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
2026-11-07 · score 6.4
CVE-2026-93902
The Soledad theme for WordPress is vulnerable to Stored Cross-Site Scripting via Social Profile Fields in all versions up to, and including, 8.7.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is scoped to the attacker's own user meta but is exposed publicly on their author archive page at /author/<slug>/, which is accessible to unauthenticated visitors regardless of whether the attacker has published any posts.
2026-11-07 · score 6.4
CVE-2026-93779
The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.1.2 via the init_routes due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to read paid course lesson and topic content without enrollment, retrieve quiz answer keys including the is_correct field before attempting a quiz, and enumerate the email addresses, usernames, and registration data of other users including instructors and administrators. Exploitation requires that the attacker hold a valid Tutor LMS API key/secret pair, which is issued to subscriber-level users through the plugin's API key management feature.
2026-11-07 · score 6.5
CVE-2026-19131
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow low-privileged users to query arbitrary indices and read sensitive data due to missing authorization.
2026-11-07 · score 6.5
CVE-2026-19129
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a network-positioned attacker to intercept backup data due to improper verification of the backup server's identity. The identity of the backup server is not verified when the secure connection for analytics backups is established, which could allow backup data, and credentials if used, to be intercepted.
2026-11-07 · score 6.8