HIGH 8.4 Microsoft

CVE-2026-56865

Fix transparency log tile verification bypass in golang.org/x/mod/sumdb/tlog

Microsoft Security Update 2026-Aug: Fix transparency log tile verification bypass in golang.org/x/mod/sumdb/tlog

Affected Products

azl3 golang 1.25.12-1 on Azure Linux 3.0
azl3 golang 1.26.5-2 on Azure Linux 3.0
azl3 golang 1.27.0-1 on Azure Linux 3.0
azl3 golang 1.26.7-1 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56865
https://nvd.nist.gov/vuln/detail/CVE-2026-56865

Published: 2026-08-11 · Source: Microsoft · Feed updated: 2026-09-28

This high severity vulnerability with a CVSS score of 8.4 was published on 2026-08-11 via Microsoft. Affected: azl3 golang 1.25.12-1 on Azure Linux 3.0, azl3 golang 1.26.5-2 on Azure Linux 3.0, azl3 golang 1.27.0-1 on Azure Linux 3.0 and 1 more.

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