High severity8.4NVD Advisory· Published Jun 9, 2026· Updated Jun 9, 2026
CVE-2026-45463
CVE-2026-45463
Description
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
3- Microsoft June 2026 Patch Tuesday fixes 3 zero-day, 200 flawsBleepingComputer · Jun 9, 2026
- Microsoft Patch Tuesday June 2026 – 198 Vulnerabilities Fixed, Including 3 Zero-daysCyber Security News · Jun 9, 2026
- Microsoft Office: 14 Vulnerabilities Disclosed Together on June 9, 2026Vypr Intelligence · Jun 9, 2026