Exchange

Microsoft Exchange Authenticated Arbitrary File Read via EWS Reference Attachment (CVE-2026-45504) newCVE-2026-45504webHIGHPatched2026-07-05Exchange Health Checker Outbound Rule Blind Spot (CVE-2026-42897) new KEV EPSS 71%CVE-2026-42897webMEDIUM 5.3Unverified2026-05-15