MEDIUM 5.9 Microsoft

CVE-2026-42766

Possible NULL Dereference in Password-Based CMS Decryption

Microsoft Security Update 2026-Jun: Possible NULL Dereference in Password-Based CMS Decryption

Affected Products

azl3 edk2 20240524git3e722403cd16-17 on Azure Linux 3.0
azl3 openssl 3.3.5-5 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42766
https://nvd.nist.gov/vuln/detail/CVE-2026-42766

Published: 2026-06-09 · Source: Microsoft · Feed updated: 2026-09-19

This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-06-09 via Microsoft. Affected: azl3 edk2 20240524git3e722403cd16-17 on Azure Linux 3.0, azl3 openssl 3.3.5-5 on Azure Linux 3.0.

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