CISA KEV · Known exploitedMedium

CVE-2024-43451

Microsoft Windows

CVE-2024-43451 affects Microsoft Windows. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

CVSS: 6.5
EPSS: 81.8%
CISA KEV: Listed
Published: 2024.11.13

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability81.8%

Technical severityCVSS 6.5

Vulnerability overview

CVE-2024-43451 affects Microsoft Windows. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

Affected product and versions

Product: Microsoft Windows
Affected versions: 10.0.26100.0, 10.0.17763.0, 10.0.20348.0, 10.0.19043.0, 10.0.22621.0, 10.0.19045.0, 10.0.22631.0, 10.0.25398.0, 10.0.10240.0, 10.0.14393.0, 6.0.6003.0, 6.1.7601.0, 6.3.9600.0, < 10.0.10240.20826, < 10.0.14393.7515, < 10.0.17763.6532, < 10.0.19044.5131, < 10.0.19045.5131, < 10.0.22621.4460, < 10.0.22631.4460
Fixed versions: 10.0.10240.20826, 10.0.14393.7515, 10.0.17763.6532, 10.0.19044.5131, 10.0.19045.5131, 10.0.22621.4460, 10.0.22631.4460, 10.0.26100.2314, 10.0.20348.2849, 10.0.25398.1251

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

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

Due date: 2024.12.03

1
Identify
Confirm that Microsoft Windows and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE: CWE-73
KEV added: 2024.11.12
Ransomware use: 미확인