HIGH 7.0 Microsoft
CVE-2026-28387
Potential Use-after-free in DANE Client Code
Microsoft Security Update 2026-Apr: Potential Use-after-free in DANE Client Code
Affected Products
- azl3 openssl 3.3.5-5 on Azure Linux 3.0
- cbl2 edk2 20230301gitf80f052277c8-47 on CBL-Mariner 2.0
- cbl2 openssl 1.1.1k-39 on CBL-Mariner 2.0
- azl3 openssl 3.3.5-4 on Azure Linux 3.0
- cbl2 edk2 20230301gitf80f052277c8-47 on CBL Mariner 2.0
- cbl2 hvloader 1.0.1-18 on CBL Mariner 2.0
- cbl2 openssl 1.1.1k-39 on CBL Mariner 2.0
- azl3 nodejs24 24.13.0-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-28387
- https://nvd.nist.gov/vuln/detail/CVE-2026-28387
This high severity vulnerability with a CVSS score of 7.0 was published on 2026-04-14 via Microsoft. Affected: azl3 openssl 3.3.5-5 on Azure Linux 3.0, cbl2 edk2 20230301gitf80f052277c8-47 on CBL-Mariner 2.0, cbl2 openssl 1.1.1k-39 on CBL-Mariner 2.0 and 5 more.
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