outlook web vulnerabilities and fixes

Recent CVEs affecting outlook web, with upgrade or downgrade steps. 1 tracked.

outlook web has 1 tracked vulnerability, 0 critical and 1 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 1. Most recent: 2026-10-13. Highest priority: CVE-2026-96951 (score 79/100).

• CVE-2026-96951 HIGH 8.8 EXPLOITED MITIGATE UPGRADE Microsoft Windows Command Injection Vulnerability

FAQ

How do I fix outlook web 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 outlook web being exploited right now?

Yes: 1 outlook web CVE is on the CISA Known Exploited Vulnerabilities list, so patch it first.

Which outlook web CVE should I patch first?

CVE-2026-96951 currently ranks highest (79/100): Microsoft Windows Command Injection Vulnerability.

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