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Δ / VULNERABILITY RECORD

CVE-2009-0556.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSUnscoredNo severity score in this snapshot.
EXPLOITATION STATUSCISA known exploitedAdded Jan 07, 2026
RECORD STATUSAwaiting NVD dataModified Jan 07, 2026

Disclosure 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.

CISA remediation guidance

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Original records & references

PUBLISHED 2026-01-07T00:00:00-05:00
MODIFIED 2026-01-07T00:00:00-05:00
INGESTED 2026-10-06T11:42:57-04:00