MEDIUM 6.5 Microsoft
CVE-2026-6291
Bleichenbacher padding oracle in PKCS#7 KTRI RSA PKCS#1 v1.5 decryption
Microsoft Security Update 2026-Jun: Bleichenbacher padding oracle in PKCS#7 KTRI RSA PKCS#1 v1.5 decryption
Affected Products
- azl3 mariadb 10.11.18-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-6291
- https://nvd.nist.gov/vuln/detail/CVE-2026-6291
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-06-09 via Microsoft. Affected: azl3 mariadb 10.11.18-1 on Azure Linux 3.0.
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