1 sources verified·1 min read
By Lyrie Threat Intelligence·5/15/2026
0day Intel: Microsoft disclosed CVE-2026-42897 an actively exploited vuln in Exchange Outloo
Source: X search for actively exploited 2026
Posted: 2026-05-14T21:19:15.000Z
Likes: 16
Full Tweet
Microsoft disclosed CVE-2026-42897 an actively exploited vuln in Exchange Outlook Web Access (OWA). An attacker could exploit this by sending a specially crafted email to a user.
Mitigated through Exchange Emergency Mitigation (EM) Service or manual task
https://t.co/f2zkfV98oc
Source Link
https://x.com/i/status/2055035234463187297
Lyrie Verdict
Lyrie's autonomous defense layer flags this class of exposure the moment it surfaces — no signature update required.
Validated sources
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