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Date: September 9, 2026 Revision Date Changes 1.0 September 9, 2026 Initial release The CVE-ID tracking this issue: CVE-2026-73463 CVSSv3.1 Base Score: 5.3 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N) CVSSv4.0 Base Score: 6.0 (CVSS:4.0/AV:N/AC:H/AT...

Date: September 9, 2026 Revision Date Changes 1.0 September 9, 2026 Initial release The CVE-ID tracking this issue: CVE-2026-2380 CVSSv3.1 Base Score: 7.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L) CVSSv4.0 Base Score: 5.1 (CVSS:4.0/AV:N/AC:L/AT...

Date: September 9, 2026 Revision Date Changes 1.0 September 9, 2026 Initial release The CVE-ID tracking this issue: CVE-2026-73445 CVSSv3.1 Base Score: 4.9 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N) CVSSv4.0 Base Score: 6.9 (CVSS:4.0/AV:N/AC:L/AT...

Date: September 9, 2026 Revision Date Changes 1.0 September 9, 2026 Initial release The CVE-ID tracking this issue: CVE-2026-73464 CVSSv3.1 Base Score: 8.8 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSSv4.0 Base Score: 8.7 (CVSS:4.0/AV:N/AC:L/AT...

Date: September 9, 2026 Revision Date Changes 1.0 September 9, 2026 Initial release The CVE-ID tracking this issue: CVE-2026-73454 CVSSv3.1 Base Score: 8.1 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N) CVSSv4.0 Base Score: 8.6 (CVSS:4.0/AV:N/AC:L/AT...

Date: September 9, 2026 Revision Date Changes 1.0 September 9, 2026 Initial release The CVE-ID tracking this issue: CVE-2026-73439 CVSSv3.1 Base Score: 7.5 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSSv4.0 Base Score: 7.7 (CVSS:4.0/AV:N/AC:L/AT...

Date: September 9, 2026 Revision Date Changes 1.0 September 9, 2026 Initial release The CVE-ID tracking this issue: CVE-2026-73461 CVSSv3.1 Base Score: 8.0 (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H) CVSSv4.0 Base Score: 9.4 (CVSS:4.0/AV:N/AC:L/AT...

Date: September 9, 2026 Revision Date Changes 1.0 September 9, 2026 Initial release The CVE-ID tracking this issue: CVE-2026-73447 CVSSv3.1 Base Score: 9.1 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H) CVSSv4.0 Base Score: 9.4 (CVSS:4.0/AV:N/AC:L/AT...

Date: September 9, 2026 Revision Date Changes 1.0 September 9, 2026 Initial release The CVE-ID tracking this issue: CVE-2026-73450 CVSSv3.1 Base Score: 6.9 (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H) CVSSv4.0 Base Score: 7 (CVSS:4.0/AV:A/AC:L/AT:P...

Date: September 9, 2026 Revision Date Changes 1.0 September 9, 2026 Initial release Description All of the CVEs covered in this advisory apply to affected platforms running Arista EOS with Intermediate System to Intermediate System (IS-IS) configured...