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CVE-2024-43451

Microsoft Windows NTLMv2 Hash Disclosure Spoofing Vulnerability

n/a
CVSS
81.8%
EPSS (exploit prob.)
99.6%
EPSS percentile
Yes
Actively exploited
No
Ransomware use
2024-11-12
Added

Summary

Microsoft Windows contains an NTLMv2 hash spoofing vulnerability that could result in disclosing a user's NTLMv2 hash to an attacker via a file open operation. The attacker could then leverage this hash to impersonate that user.

Affected software

Vendor: Microsoft  ·  Product: Windows

Weakness types (CWE):

CWE-73

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

Related vulnerabilities in Microsoft

CVENameEPSSExploited
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CVE-2015-1635 Microsoft HTTP.sys Remote Code Execution Vulnerability 100.0% Yes
CVE-2021-34523 Microsoft Exchange Server Privilege Escalation Vulnerability 100.0% Yes
CVE-2022-41082 Microsoft Exchange Server Remote Code Execution Vulnerability 100.0% Yes
CVE-2012-0158 Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability 100.0% Yes
CVE-2020-0688 Microsoft Exchange Server Validation Key Remote Code Execution Vulnerability 100.0% Yes

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All information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.