{"uuid": "5476d6ed-1a26-49cf-b7e2-c54d75921abf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42897", "type": "seen", "source": "https://bsky.app/profile/netsecio.bsky.social/post/3mlvzawwbw52k", "content": "\ud83d\udce2 Microsoft confirms a new Exchange Server zero-day (CVE-2026-42897) is actively exploited! The XSS flaw in OWA affects on-prem servers. Mitigations are being deployed automatically via the EM service. Check your systems! \ud83d\udee1\ufe0f #Exchange #Zeroday\n\n\ud83c\udf10 cyber[.]netsecops[.]io", "creation_timestamp": "2026-05-15T18:58:54.838012Z"}