CVE detail
CVE-2009-0556 — Microsoft Office PowerPoint Code Injection Vulnerability
Published 2026-01-07 · Modified 2026-01-07 · Source kev
HIGH
severity
CVSS-derived band
0.6754
EPSS probability
exploitation probability, 30d
99.0%
EPSS percentile
percentile vs all CVEs
LISTED
CISA KEV
due 2026-01-28
⚠ Actively exploited in the wild — CISA KEV listed 2026-01-07, federal remediation due 2026-01-28.
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.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References