Known exploited vulnerability
CVE-2024-21351
The short answer
CVE-2024-21351 affects Microsoft Windows 10 Version 1507 and is rated high (CVSS 7.6). CISA added it to the Known Exploited Vulnerabilities catalog on 2024-02-13: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Windows SmartScreen Security Feature Bypass Vulnerability
Weakness: CWE-94.
Severity
7.6 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
Exploited (CISA KEV)
Yes, since Feb 13, 2024
Federal due date Mar 5, 2024
EPSS, next 30 days
28%
Higher than 98% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- Low
- Integrity impact
- High
- Availability impact
- Low
What CISA says to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected products
Windows 10 Version 1507, Windows 10 Version 1607, Windows 10 Version 1809, Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 version 21H2, Windows 11 version 22H2, Windows 11 version 22H3, Windows 11 Version 23H2, Windows Server 2016, Windows Server 2019, Windows Server 2022. NVD's record lists the exact affected versions.
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21351 PatchVendor Advisory
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21351 PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21351 US Government Resource
Questions
Is CVE-2024-21351 being exploited?
Yes. CISA added CVE-2024-21351 to its Known Exploited Vulnerabilities catalog on 2024-02-13, with a federal remediation due date of 2024-03-05.
How do I fix CVE-2024-21351?
CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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