Lucene search
+L

CVE-2026-56191

🗓️ 24 Jul 2026 00:01:12Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov👁 28 Views

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

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-56191
24 Jul 202600:01
attackerkb
Circl
CVE-2026-56191
24 Jul 202600:26
circl
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
NVD
CVE-2026-56191
24 Jul 202601:17
nvd
Positive Technologies
PT-2026-64208
24 Jul 202600:00
ptsecurity
CNA
Node
[
  {
    "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

24 Jul 2026 01:17Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.110
28