CVE-2026-123395ImportantMonitor
Microsoft Office Excel Information Disclosure Vulnerability
Severity Important · Urgency Monitor
Why it matters: Important severity (CVSS 5.9)
Information Disclosure · Important · CVSS 5.9. Affects: Microsoft Office LTSC, Microsoft 365 Apps, Microsoft Office LTSC for Mac, Microsoft Office 365 for Mac.
Affected: Microsoft Office LTSC, Microsoft 365 Apps, Microsoft Office LTSC for Mac, Microsoft Office 365 for Mac
Related changes
Change history
2026-11-10 · First captured by tracker