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CVE-2026-20074

🗓️ 11 Mar 2026 16:31:14Reported by ciscoType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 56 Views

Cisco IOS XR IS-IS multi-instance DoS via crafted packets causing IS-IS process restart after adjacency.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-20074
11 Mar 202616:31
attackerkb
Circl
CVE-2026-20074
11 Mar 202616:37
circl
Cisco
Cisco IOS XR Software Multi-Instance Intermediate System-to-Intermediate System Denial of Service Vulnerability
11 Mar 202616:00
cisco
CNNVD
Cisco IOS XR 安全漏洞
11 Mar 202600:00
cnnvd
Cvelist
CVE-2026-20074 Cisco IOS XR Software Multi-Instance Intermediate System-to-Intermediate System Denial of Service Vulnerability
11 Mar 202616:31
cvelist
EUVD
EUVD-2026-11219
11 Mar 202618:30
euvd
NCSC
Vulnerabilities fixed in Cisco IOS XR
12 Mar 202614:44
ncsc
NVD
CVE-2026-20074
11 Mar 202617:16
nvd
Positive Technologies
PT-2026-24730
11 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-20074
26 Mar 202614:59
redhatcve
Rows per page
[
  {
    "vendor": "Cisco",
    "product": "Cisco IOS XR Software",
    "versions": [
      {
        "version": "7.8.1",
        "status": "affected"
      },
      {
        "version": "7.9.1",
        "status": "affected"
      },
      {
        "version": "7.10.1",
        "status": "affected"
      },
      {
        "version": "7.8.2",
        "status": "affected"
      },
      {
        "version": "7.8.22",
        "status": "affected"
      },
      {
        "version": "7.9.2",
        "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": "7.11.2",
        "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": "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": "25.1.2",
        "status": "affected"
      },
      {
        "version": "24.3.30",
        "status": "affected"
      },
      {
        "version": "24.4.30",
        "status": "affected"
      },
      {
        "version": "24.2.21",
        "status": "affected"
      },
      {
        "version": "25.2.15",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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