Nearly 22,000 Microsoft Exchange servers vulnerable to hijack attacks
Nearly 22,000 Microsoft Exchange servers exposed online remain unpatched against a high-severity authentication bypass vulnerability that allows attackers to hijack all user mailboxes. [...]
Nearly 22,000 Microsoft Exchange servers vulnerable to hijack attacks
Description
Nearly 22,000 Microsoft Exchange servers exposed online remain unpatched against a high-severity authentication bypass vulnerability that allows attackers to hijack all user mailboxes. [...]
Technical Details
- Classification
- {"confidence":0.72,"severitySource":"stated","classifier":"rss-v2"}
- Article Source
- {"url":"https://www.bleepingcomputer.com/news/security/nearly-22-000-microsoft-exchange-servers-vulnerable-to-hijack-attacks/","fetched":true,"fetchedAt":"2026-09-01T12:52:23.118Z","wordCount":730}
Threat ID: 6a96ca87acd9273b49b67924
Added to database: 09/01/2026, 12:52:23 UTC
Last updated: 09/01/2026, 13:22:04 UTC
Views: 4
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