CVE-2026-77504

Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

  • Published Sep 8, 2026
  • CVSS 8.8 high
  • 0.8% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

In the news

CVE-2026-77504 at the National Vulnerability Database