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CVE-2026-21537 Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability

🗓️ 10 Feb 2026 17:51:32Reported by microsoftType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

CVE-2026-21537 describes a remote code execution in Microsoft Defender for Endpoint Linux extension.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-21537
10 Feb 202617:51
–attackerkb
bdu_fstec
BDU FSTEC
Microsoft Defender for Endpoint Linux Code Execution
13 Feb 202600:00
–bdu_fstec
circl
Circl
CVE-2026-21537
10 Feb 202617:30
–circl
cnnvd
CNNVD
Microsoft Defender code injection vulnerability
10 Feb 202600:00
–cnnvd
cnvd
CNVD
Microsoft Defender for Linux Code Execution Vulnerability
25 Feb 202600:00
–cnvd
cve
CVE
CVE-2026-21537
10 Feb 202617:51
–cve
kaspersky
Kaspersky
KLA90872 ACE vulnerability in Microsoft System Center
10 Feb 202600:00
–kaspersky
mscve
Microsoft CVE
Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability
10 Feb 202616:00
–mscve
nvd
NVD
CVE-2026-21537
10 Feb 202618:16
–nvd
ptsecurity
Positive Technologies
PT-2026-7413
10 Feb 202600:00
–ptsecurity
Rows per page
[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Defender for Endpoint for Linux",
    "versions": [
      {
        "version": "101.0.0",
        "lessThan": "1.0.9.0",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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19 Aug 2026 16:26Current
CVSS 3.18.8
EPSS0.00532
SSVC
39