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CVE-2026-56191

🗓️ 24 Jul 2026 01:17:36Reported by [email protected]Type 
nvd
 nvd
🔗 web.nvd.nist.gov👁 4 Views

Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to tamper over a network.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-56191
24 Jul 202600:01
attackerkb
Circl
CVE-2026-56191
24 Jul 202600:26
circl
CVE
CVE-2026-56191
24 Jul 202600:01
cve
Cvelist
CVE-2026-56191 Microsoft Exchange Online Tampering Vulnerability
24 Jul 202600:01
cvelist
EUVD
EUVD-2026-48458
24 Jul 202600:01
euvd
Microsoft CVE
Microsoft Exchange Online Tampering Vulnerability
23 Jul 202614:00
mscve
Positive Technologies
PT-2026-64208
24 Jul 202600:00
ptsecurity

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