What is CVE-2023-23389?

CVE-2023-23389 is a medium-severity vulnerability in Microsoft Malware_protection_engine, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.3/10. Published 2023-03-14.

How severe is CVE-2023-23389?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Microsoft Malware_protection_engine

CVE-2023-23389

Microsoft Defender Elevation of Privilege Vulnerability

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.003 (17.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Microsoft Malware_protection_engine — versions 1.1.20000.2
Microsoft Malware Protection Engine — versions 1.1.0.0

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

secure@microsoft.com (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-23389?: CVE-2023-23389 is a medium-severity vulnerability in Microsoft Malware_protection_engine, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.3/10. Published 2023-03-14.
How severe is CVE-2023-23389?: Medium severity. CVSS v3 base score is 6.3 out of 10.