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Russian Hackers Exploit Microsoft OWA Flaw to Keep Mailbox Access After Credential Rotation

  • Posted on July 30, 2026
  • By The Hacker News
  • 0 Views
  • 1 min read
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Russian Hackers Exploit Microsoft OWA Flaw to Keep Mailbox Access After Credential Rotation
Russian Hackers Exploit Microsoft OWA Flaw to Keep Mailbox Access After Credential Rotation

Russian hackers exploit CVE-2026-42897 in OWA to deploy OWAReaper, a browser implant that persists through credential rotation and device re-imaging.
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Author
The Hacker News

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