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CVE-2026-55011

🗓️ 14 Jul 2026 17:05:03Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov👁 62 Views

Integer underflow in Microsoft Defender allows an unauthorized attacker to execute code locally.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-55011
14 Jul 202617:05
attackerkb
circl
Circl
CVE-2026-55011
14 Jul 202622:02
circl
cvelist
Cvelist
CVE-2026-55011 Microsoft Defender Remote Code Execution Vulnerability
14 Jul 202617:05
cvelist
euvd
EUVD
EUVD-2026-44029
14 Jul 202618:32
euvd
kaspersky
Kaspersky
KLA91152 Multiple vulnerabilities in Microsoft System Center
14 Jul 202600:00
kaspersky
mscve
Microsoft CVE
Microsoft Defender Remote Code Execution Vulnerability
14 Jul 202614:00
mscve
ncsc
NCSC
vulnerabilities hidden in Microsoft Defender
14 Jul 202618:38
ncsc
nvd
NVD
CVE-2026-55011
14 Jul 202617:17
nvd
ptsecurity
Positive Technologies
PT-2026-58253
14 Jul 202600:00
ptsecurity
qualysblog
Qualys Blog
Microsoft and Adobe Patch Tuesday, July 2026 Security Update Review
14 Jul 202621:23
qualysblog
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NVD
Vulners
CNA
Node
[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Malware Protection Engine",
    "versions": [
      {
        "version": "1.1.0.0",
        "lessThan": "1.1.26060.3008",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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03 Aug 2026 22:53Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.8
EPSS0.00374
SSVC
62