CVE-2023-36422
CVE-2023-36422 is a high-severity vulnerability in Microsoft Windows Defender with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-426.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-426
- Affected product: Microsoft Windows Defender
- Published:
- Last modified:
Description
Microsoft Windows Defender Elevation of Privilege Vulnerability
Frequently asked questions
- What is CVE-2023-36422?
- Microsoft Windows Defender Elevation of Privilege Vulnerability
- How severe is CVE-2023-36422?
- CVE-2023-36422 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-36422 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-36422?
- CVE-2023-36422 affects Microsoft Windows Defender. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-36422?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-36422 published?
- CVE-2023-36422 was published on 2023-11-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:windows_defender:*:*:*:*:*:*:*:*
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