HIGH 7.3 Microsoft
CVE-2026-0861
Integer overflow in memalign leads to heap corruption
Microsoft Security Update 2026-Jan: Integer overflow in memalign leads to heap corruption
Affected Products
- cbl2 glibc 2.35-7 on CBL Mariner 2.0
- cbl2 glibc 2.35-9 on CBL Mariner 2.0
- azl3 glibc 2.38-16 on Azure Linux 3.0
- azl3 glibc 2.38-18 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-0861
- https://nvd.nist.gov/vuln/detail/CVE-2026-0861
This high severity vulnerability with a CVSS score of 7.3 was published on 2026-01-13 via Microsoft. Affected: cbl2 glibc 2.35-7 on CBL Mariner 2.0, cbl2 glibc 2.35-9 on CBL Mariner 2.0, azl3 glibc 2.38-16 on Azure Linux 3.0 and 1 more.
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