Lucene search
+L

CVE-2026-56191 Microsoft Exchange Online Tampering Vulnerability

🗓️ 24 Jul 2026 00:01:12Reported by microsoftType 
cvelist
 cvelist
🔗 www.cve.org👁 51 Views

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

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-56191
24 Jul 202600:01
attackerkb
circl
Circl
CVE-2026-56191
24 Jul 202600:26
circl
cve
CVE
CVE-2026-56191
24 Jul 202600:01
cve
euvd
EUVD
EUVD-2026-48458
24 Jul 202600:01
euvd
kaspersky
Kaspersky
KLA91178 SUI vulnerability in Microsoft Server Software
23 Jul 202600:00
kaspersky
mscve
Microsoft CVE
Microsoft Exchange Online Tampering Vulnerability
23 Jul 202614:00
mscve
nvd
NVD
CVE-2026-56191
24 Jul 202601:17
nvd
ptsecurity
Positive Technologies
PT-2026-64208
24 Jul 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-56191 Microsoft Exchange Online Tampering Vulnerability
24 Jul 202600:01
vulnrichment
[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Online",
    "versions": [
      {
        "version": "-",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

14 Aug 2026 17:26Current
CVSS 3.110
EPSS0.00667
51