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CVE-2009-0556CISA KEV

Microsoft Office PowerPoint Code Injection Vulnerability

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA KEV Check MSRC

CISA catalog record

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.

Product
Office
Added to KEV
7 Jan 2026
Federal remediation due
28 Jan 2026
Known ransomware use
Not reported
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