Known exploited vulnerability
CVE-2023-36584
The short answer
CVE-2023-36584 affects Microsoft Windows 10 Version 1809 and is rated medium (CVSS 5.4). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-11-16: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Windows Mark of the Web Security Feature Bypass Vulnerability
Severity
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Exploited (CISA KEV)
Yes, since Nov 16, 2023
Federal due date Dec 7, 2023
EPSS, next 30 days
3.3%
Higher than 88% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- Low
- 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 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation). NVD's record lists the exact affected versions.
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36584 PatchVendor Advisory
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36584 PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36584 US Government Resource
Questions
Is CVE-2023-36584 being exploited?
Yes. CISA added CVE-2023-36584 to its Known Exploited Vulnerabilities catalog on 2023-11-16, with a federal remediation due date of 2023-12-07.
How do I fix CVE-2023-36584?
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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