PatchTheCVEexcel vulnerabilities and fixes
Recent CVEs affecting excel, with upgrade or downgrade steps. 3 tracked.
excel has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-05-12. Highest priority: CVE-2026-40360 (score 41/100).
- CVE-2026-40360 HIGH 7.8 MITIGATE DOWNGRADE Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
- CVE-2026-40359 HIGH 7.8 MITIGATE DOWNGRADE Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-32197 HIGH 7.8 MITIGATE DOWNGRADE Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
FAQ
How do I fix excel vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is excel being exploited right now?
None of the tracked excel CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which excel CVE should I patch first?
CVE-2026-40360 currently ranks highest (41/100): Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally..