CVE-2009-0556 — Actively Exploited: Office (Microsoft)
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.
| CVE ID | CVE-2009-0556 |
|---|---|
| Vendor | Microsoft |
| Product | Office |
| Vulnerability name | Microsoft Office PowerPoint Code Injection Vulnerability |
| Date added | 2026-01-07 |
| Remediation due | 2026-01-28 |
| Known ransomware use | Unknown |
| 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. |
| 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. |
| Source | CISA Known Exploited Vulnerabilities |
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