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CVE-2026-56191 Microsoft Exchange Online Tampering Vulnerability

🗓️ 24 Jul 2026 00:01:12Reported by microsoftType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

CVE-2026-56191 is a tampering vulnerability in Microsoft Exchange Online.

Related
Affected
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
EUVD
EUVD-2026-48458
24 Jul 202603:31
euvd
Microsoft CVE
Microsoft Exchange Online Tampering Vulnerability
23 Jul 202614:00
mscve
NVD
CVE-2026-56191
24 Jul 202601:17
nvd
Positive Technologies
PT-2026-64208
24 Jul 202600:00
ptsecurity
[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Online",
    "versions": [
      {
        "version": "-",
        "status": "affected"
      }
    ]
  }
]

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