# Microsoft April 2023 patches address actively exploited flaw

Published: 2023-04-11 · Severity: elevated
Canonical: https://vorant.io/reports/e5950a28-76cd-52ae-af3f-b1fa6f050f2f/microsoft-april-2023-patches-address-actively-exploited-flaw

> Microsoft released patches for multiple vulnerabilities April 12, 2023; CVE-2023-28252 is actively exploited and requires urgent patching.

On April 12, 2023, Microsoft released security patches addressing multiple vulnerabilities in its products. The Japanese Information-technology Promotion Agency (IPA) has flagged these updates as critical, noting that exploitation of these flaws could lead to application crashes or complete system compromise by attackers.

Most significantly, CVE-2023-28252 has been confirmed by Microsoft as actively exploited in the wild. The IPA strongly recommends immediate application of patches for this vulnerability to prevent further compromise. Defenders should prioritize CVE-2023-28252 remediation across their Microsoft estate.

Defenders should apply Microsoft's official patches through Windows Update or other distribution mechanisms without delay, particularly for CVE-2023-28252. Organizations should verify patch deployment across all affected systems and monitor for signs of exploitation.

## Mentioned in this report

- Vulnerabilities: CVE-2023-28252 (KEV)

Source reporting: https://www.ipa.go.jp/archive/security/security-alert/2023/0412-ms.html

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