CVE-2026-3276Medium

Microsoft security update for CVE-2026-3276 — azl3 python3

Published
June 9, 2026
Last Modified
—

🔗 CVE IDs covered (1)

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-3276. This page also shows what EchelonGraph holds for CVE-2026-3276, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products3

  • azl3 python3 3.12.9-11 on Azure Linux 3.0
  • azl3 python3 3.12.9-13 on Azure Linux 3.0
  • azl3 python3 3.12.9-14 on Azure Linux 3.0

✅ Updates Microsoft lists: 1 update

1 row: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB articleUpdateFixed build
—Security Update3.12.9-14

🧭 EchelonGraph on CVE-2026-3276

EchelonGraph score
6.3 MEDIUM
CISA KEV
Not listed
Fix status
A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

unicodedata.normalize() can take excessive CPU time when processing specially crafted Unicode input containing long runs of combining characters with alternating Canonical Combining Class values. This affects all normalization forms.

Published by Python Software Foundation, the CVE Numbering Authority that assigned CVE-2026-3276, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (2)