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Microsoft Office PowerPoint Code Injection Vulnerability

Critical Listed in CISA KEV
CVECVE-2009-0556
First seen2026-01-07 00:00 UTC
Disclosed2026-01-07 00:00 UTC
Last updated2026-07-14 20:01 UTC
Channel statuspending_review

Summary

Microsoft Office PowerPoint contains a code injection vulnerability that allows remote attackers to execute arbitrary code via a PowerPoint file with an OutlineTextRefAtom containing an invalid index value that triggers memory corruption.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

  • Microsoft:Office

Sources

  • CISA KEV DATABASE

Original Links

Timeline

  1. kev_added CISA KEV
  2. kev_ingest CISA KEV