How severe is CVE-2023-21725?

CVE-2023-21725 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2023-21725 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21725?

CVE-2023-21725 affects Microsoft Windows Malicious Software Removal Tool. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-21725?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-21725 published?

CVE-2023-21725 was published on 2023-01-10 and last updated on 2026-06-17.

CVE-2023-21725

CVE-2023-21725 is a medium-severity vulnerability in Microsoft Windows Malicious Software Removal Tool with a CVSS 3.x base score of 6.3. 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-362.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Microsoft Windows Malicious Software Removal Tool
Published: 2023-01-10
Last modified: 2026-06-17

Description

Windows Malicious Software Removal Tool Elevation of Privilege Vulnerability

Frequently asked questions

What is CVE-2023-21725?: Windows Malicious Software Removal Tool Elevation of Privilege Vulnerability
How severe is CVE-2023-21725?: CVE-2023-21725 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2023-21725 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21725?: CVE-2023-21725 affects Microsoft Windows Malicious Software Removal Tool. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-21725?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-21725 published?: CVE-2023-21725 was published on 2023-01-10 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21725

Affected products (1)

cpe:2.3:a:microsoft:windows_malicious_software_removal_tool:*:*:*:*:*:*:*:*

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