Vendor / Project: Microsoft Product: Office 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. Due Date: 2026-01-28 Ransomware Campaign Use: Unknown CWEs: CWE-94 Notes: https://learn.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-017 ; https://nvd.nist.gov/vuln/detail/CVE-2009-0556