CVE-2026-33390

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-09. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An Incorrect Privilege Assignment vulnerability was discovered in the synchronization functionality due to Arc sensors receiving CLI permissions. An authenticated user with limited privileges can push administrative CLI commands through the sync, altering the device configuration, and/or affecting its availability.

CVSS v3
8.1
EG Score
8.1(high)
EPSS
11.2%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 10, 2026

Advisory Details (1)

Auto-updated Jul 9, 2026
No patch confirmed yet.
generic

NN-2026:13-01 - Incorrect privilege assignment for Arc sensors in Guardian/CMC before 26.2.0 - CVE-2026-33390 | Product Security Incident Response Portal

https://security.nozominetworks.com/NN-2026:13-01

Vendor Advisories for CVE-2026-33390(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 17× in last 7d / 17× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-12 11:47 UTCEG score recompute
  2. 2026-07-12 11:47 UTCGHSA enrichment
  3. 2026-07-12 05:46 UTCEPSS rescore
  4. 2026-07-11 23:10 UTCEG score recompute
  5. 2026-07-11 23:10 UTCGHSA enrichment
  6. 2026-07-11 10:32 UTCEG score recompute
  7. 2026-07-11 10:32 UTCGHSA enrichment
  8. 2026-07-11 08:27 UTCEPSS rescore
  9. 2026-07-10 21:55 UTCEG score recompute
  10. 2026-07-10 21:55 UTCGHSA enrichment
  11. 2026-07-10 09:18 UTCEG score recompute
  12. 2026-07-10 09:18 UTCGHSA enrichment
  13. 2026-07-09 20:39 UTCEG score recompute
  14. 2026-07-09 20:39 UTCGHSA enrichment
  15. 2026-07-09 19:10 UTCEPSS rescore
  16. 2026-07-09 08:02 UTCEG score recompute
  17. 2026-07-09 08:01 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-33390?
CVE-2026-33390 is a high vulnerability published on July 9, 2026. An Incorrect Privilege Assignment vulnerability was discovered in the synchronization functionality due to Arc sensors receiving CLI permissions. An authenticated user with limited privileges can push administrative CLI commands through the sync, altering the device configuration, and/or affecting…
When was CVE-2026-33390 disclosed?
CVE-2026-33390 was first published in the National Vulnerability Database on July 9, 2026, with the most recent update on July 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-33390 actively exploited?
CVE-2026-33390 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-33390?
CVE-2026-33390 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-33390?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-33390, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-33390

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