9.4

CVE-2026-73461: Security Advisory 0163

Awaiting analysis
Published 16-09-2026Last modified 17-09-2026

Vulnerability summary

CVE-2026-73461 is a critical (CVSS 9.4) Incorrect Privilege Assignment vulnerability in arista networks eos. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 32.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.4/10
010
Critical · v4.0 (CVE.org)
EPSS score
0.39%
0%100%
Low · +0.10 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 16-09-2026
    PublishedVulnerability first disclosed.
  2. 17-09-2026
    Last modifiedVulnerability information updated.

Description

On affected EOS platforms with AAA-based gRPC authorization enabled for OpenConfig, gRPC requests of an authenticated user to OpenConfig may use the wrong privilege level, resulting in an authorization using the wrong AAA method list. This does not impact non-gRPC OpenConfig requests such as NETCONF.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

32%

Versus all other CVEs

30-day change

Increase +0.10 pp

From 0.30% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Arista networks1 product
  • eos≥ 4.29.0F, < 4.30.0F | ≥ 4.30.0F, < 4.31.0F | ≥ 4.31.0F, < 4.32.0F | ≥ 4.32.0F, ≤ 4.32.11M | ≥ 4.33.0F, ≤ 4.33.8M | ≥ 4.34.0F, ≤ 4.34.7M | ≥ 4.35.0F, ≤ 4.35.5M | ≥ 4.36.0F, ≤ 4.36.0.1F

1 vendor · 1 product

References

1 links