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CVE-2009-0556

KEV

Microsoft Office PowerPoint Code Injection Vulnerability

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Vendor / Project
Microsoft
Product
Office
Date added
Jan 7, 2026
Due date
Jan 28, 2026
Known ransomware use
Unknown
CWEs
CWE-94

Description

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.

Required action

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

Notes