What is CVE-2026-20046?

CVE-2026-20046 is a high-severity vulnerability in Cisco Ios Xr Software, classified under CWE-264. CVSS score: 8.8/10. Published 2026-03-11.

How severe is CVE-2026-20046?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Cisco Ios Xr Software

CVE-2026-20046

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to elevate privileges and gain full administrative control of an affected device. This vulnerabili…

EPSS: 0.000 (10.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Cisco Ios Xr Software — versions 6.6.1, 6.5.3, 7.0.1

Weakness classification (CWE)

CWE-264

References

cisco-sa-iosxr-privesc-bF8D5U4W

Frequently asked questions

What is CVE-2026-20046?: CVE-2026-20046 is a high-severity vulnerability in Cisco Ios Xr Software, classified under CWE-264. CVSS score: 8.8/10. Published 2026-03-11.
How severe is CVE-2026-20046?: High severity. CVSS v3 base score is 8.8 out of 10.