Low severity3.3NVD Advisory· Published Jun 9, 2026· Updated Jun 9, 2026
CVE-2026-45459
CVE-2026-45459
Description
Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature 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 Excel: Eight Vulnerabilities Disclosed on June 9, 2026Vypr Intelligence · Jun 9, 2026