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CVE-2026-20040

🗓️ 11 Mar 2026 16:31:14Reported by ciscoType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 60 Views

Cisco IOS XR CLI flaw allows authenticated local attacker to gain root and execute commands.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-20040
11 Mar 202616:31
–attackerkb
bdu_fstec
BDU FSTEC
Cisco IOS XR RCE
14 Apr 202600:00
–bdu_fstec
circl
Circl
CVE-2026-20040
11 Mar 202616:37
–circl
cisco
Cisco
Cisco IOS XR Software CLI Privilege Escalation Vulnerabilities
11 Mar 202616:00
–cisco
nessus
Tenable Nessus
Cisco IOS XR Software CLI Privilege Escalation (cisco-sa-iosxr-privesc-bF8D5U4W)
13 Mar 202600:00
–nessus
cnnvd
CNNVD
Cisco IOS XR operating system command injection vulnerability
11 Mar 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-20040 Cisco IOS XR Software CLI Privilege Escalation Vulnerability
11 Mar 202616:31
–cvelist
euvd
EUVD
EUVD-2026-11214
11 Mar 202618:30
–euvd
ncsc
NCSC
Vulnerabilities fixed in Cisco IOS XR
12 Mar 202614:44
–ncsc
nvd
NVD
CVE-2026-20040
11 Mar 202617:16
–nvd
Rows per page
NVD
Vulners
Node
OR
ciscoios_xrRange<25.2.21
ciscoios_xrRange25.3.1–25.4.2
[
  {
    "vendor": "Cisco",
    "product": "Cisco IOS XR Software",
    "versions": [
      {
        "version": "6.5.3",
        "status": "affected"
      },
      {
        "version": "6.5.29",
        "status": "affected"
      },
      {
        "version": "6.5.1",
        "status": "affected"
      },
      {
        "version": "6.6.1",
        "status": "affected"
      },
      {
        "version": "6.5.2",
        "status": "affected"
      },
      {
        "version": "6.5.92",
        "status": "affected"
      },
      {
        "version": "6.5.15",
        "status": "affected"
      },
      {
        "version": "6.6.2",
        "status": "affected"
      },
      {
        "version": "7.0.1",
        "status": "affected"
      },
      {
        "version": "6.6.25",
        "status": "affected"
      },
      {
        "version": "6.5.26",
        "status": "affected"
      },
      {
        "version": "6.6.11",
        "status": "affected"
      },
      {
        "version": "6.5.25",
        "status": "affected"
      },
      {
        "version": "6.5.28",
        "status": "affected"
      },
      {
        "version": "6.5.93",
        "status": "affected"
      },
      {
        "version": "6.6.12",
        "status": "affected"
      },
      {
        "version": "6.5.90",
        "status": "affected"
      },
      {
        "version": "7.1.1",
        "status": "affected"
      },
      {
        "version": "7.0.90",
        "status": "affected"
      },
      {
        "version": "6.6.3",
        "status": "affected"
      },
      {
        "version": "6.7.1",
        "status": "affected"
      },
      {
        "version": "7.0.2",
        "status": "affected"
      },
      {
        "version": "7.1.15",
        "status": "affected"
      },
      {
        "version": "7.2.1",
        "status": "affected"
      },
      {
        "version": "7.1.2",
        "status": "affected"
      },
      {
        "version": "6.7.2",
        "status": "affected"
      },
      {
        "version": "7.0.11",
        "status": "affected"
      },
      {
        "version": "7.0.12",
        "status": "affected"
      },
      {
        "version": "7.0.14",
        "status": "affected"
      },
      {
        "version": "7.1.25",
        "status": "affected"
      },
      {
        "version": "6.6.4",
        "status": "affected"
      },
      {
        "version": "7.2.12",
        "status": "affected"
      },
      {
        "version": "7.3.1",
        "status": "affected"
      },
      {
        "version": "7.1.3",
        "status": "affected"
      },
      {
        "version": "6.7.3",
        "status": "affected"
      },
      {
        "version": "7.4.1",
        "status": "affected"
      },
      {
        "version": "7.2.2",
        "status": "affected"
      },
      {
        "version": "6.7.4",
        "status": "affected"
      },
      {
        "version": "6.5.31",
        "status": "affected"
      },
      {
        "version": "7.3.15",
        "status": "affected"
      },
      {
        "version": "7.3.16",
        "status": "affected"
      },
      {
        "version": "6.8.1",
        "status": "affected"
      },
      {
        "version": "7.4.15",
        "status": "affected"
      },
      {
        "version": "6.5.32",
        "status": "affected"
      },
      {
        "version": "7.3.2",
        "status": "affected"
      },
      {
        "version": "7.5.1",
        "status": "affected"
      },
      {
        "version": "7.4.16",
        "status": "affected"
      },
      {
        "version": "7.3.27",
        "status": "affected"
      },
      {
        "version": "7.6.1",
        "status": "affected"
      },
      {
        "version": "7.5.2",
        "status": "affected"
      },
      {
        "version": "7.8.1",
        "status": "affected"
      },
      {
        "version": "7.6.15",
        "status": "affected"
      },
      {
        "version": "7.5.12",
        "status": "affected"
      },
      {
        "version": "7.8.12",
        "status": "affected"
      },
      {
        "version": "7.3.3",
        "status": "affected"
      },
      {
        "version": "7.7.1",
        "status": "affected"
      },
      {
        "version": "6.8.2",
        "status": "affected"
      },
      {
        "version": "7.3.4",
        "status": "affected"
      },
      {
        "version": "7.4.2",
        "status": "affected"
      },
      {
        "version": "6.7.35",
        "status": "affected"
      },
      {
        "version": "6.9.1",
        "status": "affected"
      },
      {
        "version": "7.6.2",
        "status": "affected"
      },
      {
        "version": "7.5.3",
        "status": "affected"
      },
      {
        "version": "7.7.2",
        "status": "affected"
      },
      {
        "version": "6.9.2",
        "status": "affected"
      },
      {
        "version": "7.9.1",
        "status": "affected"
      },
      {
        "version": "7.10.1",
        "status": "affected"
      },
      {
        "version": "7.8.2",
        "status": "affected"
      },
      {
        "version": "7.5.4",
        "status": "affected"
      },
      {
        "version": "6.5.33",
        "status": "affected"
      },
      {
        "version": "7.8.22",
        "status": "affected"
      },
      {
        "version": "7.7.21",
        "status": "affected"
      },
      {
        "version": "7.9.2",
        "status": "affected"
      },
      {
        "version": "7.3.5",
        "status": "affected"
      },
      {
        "version": "7.5.5",
        "status": "affected"
      },
      {
        "version": "7.11.1",
        "status": "affected"
      },
      {
        "version": "7.9.21",
        "status": "affected"
      },
      {
        "version": "7.10.2",
        "status": "affected"
      },
      {
        "version": "24.1.1",
        "status": "affected"
      },
      {
        "version": "7.6.3",
        "status": "affected"
      },
      {
        "version": "7.3.6",
        "status": "affected"
      },
      {
        "version": "7.5.52",
        "status": "affected"
      },
      {
        "version": "7.11.2",
        "status": "affected"
      },
      {
        "version": "24.2.1",
        "status": "affected"
      },
      {
        "version": "24.1.2",
        "status": "affected"
      },
      {
        "version": "24.2.11",
        "status": "affected"
      },
      {
        "version": "24.3.1",
        "status": "affected"
      },
      {
        "version": "24.4.1",
        "status": "affected"
      },
      {
        "version": "24.2.2",
        "status": "affected"
      },
      {
        "version": "7.8.23",
        "status": "affected"
      },
      {
        "version": "7.11.21",
        "status": "affected"
      },
      {
        "version": "24.2.20",
        "status": "affected"
      },
      {
        "version": "24.3.2",
        "status": "affected"
      },
      {
        "version": "24.4.10",
        "status": "affected"
      },
      {
        "version": "6.5.35",
        "status": "affected"
      },
      {
        "version": "25.1.1",
        "status": "affected"
      },
      {
        "version": "24.4.2",
        "status": "affected"
      },
      {
        "version": "24.3.20",
        "status": "affected"
      },
      {
        "version": "24.4.15",
        "status": "affected"
      },
      {
        "version": "25.2.1",
        "status": "affected"
      },
      {
        "version": "6.5.351",
        "status": "affected"
      },
      {
        "version": "25.1.2",
        "status": "affected"
      },
      {
        "version": "24.3.30",
        "status": "affected"
      },
      {
        "version": "25.3.1",
        "status": "affected"
      },
      {
        "version": "6.5.352",
        "status": "affected"
      },
      {
        "version": "24.4.30",
        "status": "affected"
      },
      {
        "version": "24.2.21",
        "status": "affected"
      },
      {
        "version": "25.4.1",
        "status": "affected"
      },
      {
        "version": "25.2.2",
        "status": "affected"
      },
      {
        "version": "25.2.15",
        "status": "affected"
      },
      {
        "version": "7.2.0",
        "status": "affected"
      },
      {
        "version": "7.0.0",
        "status": "affected"
      },
      {
        "version": "25.2.30",
        "status": "affected"
      },
      {
        "version": "6.5.353",
        "status": "affected"
      },
      {
        "version": "25.1.30",
        "status": "affected"
      },
      {
        "version": "25.3.15",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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01 Jul 2026 16:24Current
7.6High risk
Vulners AI Score7.6
CVSS 3.18.8
EPSS0.00178
SSVC
60