What is CVE-2026-9669?

CVE-2026-9669 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. bz2.BZ2Decompressor reuse after error can cause a stack buffer overflow

Which CVE IDs does CVE-2026-9669 cover?

CVE-2026-9669 covers the following CVE IDs: CVE-2026-9669. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-9669Medium

bz2.BZ2Decompressor reuse after error can cause a stack buffer overflow

Vendor

Microsoft Security Response Center (MSRC)

Published

June 26, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-9669 →