HIGH 7.4 Microsoft
CVE-2026-76844
zlib 1.2.11 through 1.3.2 Heap Buffer Overflow via Stale gzwrite Pointer After Failed Write
Microsoft Security Update 2026-Aug: zlib 1.2.11 through 1.3.2 Heap Buffer Overflow via Stale gzwrite Pointer After Failed Write
Affected Products
- azl3 zlib 1.3.2-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-76844
- https://nvd.nist.gov/vuln/detail/CVE-2026-76844
This high severity vulnerability with a CVSS score of 7.4 was published on 2026-08-11 via Microsoft. Affected: azl3 zlib 1.3.2-1 on Azure Linux 3.0.
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