CVE-2026-56086

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-08. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an Incorrect Authorization vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.

CVSS v3
8.8
EG Score
8.8(high)
EPSS
20.5%
KEV
Not listed

Published

July 8, 2026

Last Modified

July 9, 2026

Advisory Details (1)

Auto-updated Jul 8, 2026
No patch confirmed yet.
generic

DSA-2026-278: Security Update for Dell PowerProtect Data Domain Multiple Vulnerabilities | Dell US

https://www.dell.com/support/kbdoc/en-us/000481268/dsa-2026-278-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities?msockid=3021cac2195069ed3194ddad186a68f9

Vendor Advisories for CVE-2026-56086(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 36× in last 7d / 36× 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. 2026-07-15 02:00 UTCEPSS rescore
  2. 2026-07-15 02:00 UTCEPSS rescore
  3. 2026-07-14 22:51 UTCEG score recompute
  4. 2026-07-14 22:51 UTCGHSA enrichment
  5. 2026-07-14 10:04 UTCEG score recompute
  6. 2026-07-14 10:04 UTCGHSA enrichment
  7. 2026-07-13 22:31 UTCEPSS rescore
  8. 2026-07-13 21:20 UTCEG score recompute
  9. 2026-07-13 21:20 UTCGHSA enrichment
  10. 2026-07-13 08:36 UTCEG score recompute
  11. 2026-07-13 08:36 UTCGHSA enrichment
  12. 2026-07-13 06:13 UTCEPSS rescore
  13. 2026-07-13 06:13 UTCEPSS rescore
  14. 2026-07-12 19:53 UTCEG score recompute
  15. 2026-07-12 19:53 UTCGHSA enrichment
  16. 2026-07-12 07:10 UTCEG score recompute
  17. 2026-07-12 07:10 UTCGHSA enrichment
  18. 2026-07-12 05:46 UTCEPSS rescore
  19. 2026-07-11 18:25 UTCEG score recompute
  20. 2026-07-11 18:25 UTCGHSA enrichment
  21. 2026-07-11 08:27 UTCEPSS rescore
  22. 2026-07-11 08:27 UTCEPSS rescore
  23. 2026-07-11 05:42 UTCEG score recompute
  24. 2026-07-11 05:42 UTCGHSA enrichment
  25. 2026-07-10 16:59 UTCEG score recompute
Show 11 more
  1. 2026-07-10 16:58 UTCGHSA enrichment
  2. 2026-07-10 04:15 UTCEG score recompute
  3. 2026-07-10 04:15 UTCGHSA enrichment
  4. 2026-07-09 19:10 UTCEPSS rescore
  5. 2026-07-09 19:10 UTCEPSS rescore
  6. 2026-07-09 15:33 UTCEG score recompute
  7. 2026-07-09 15:33 UTCGHSA enrichment
  8. 2026-07-09 02:50 UTCEG score recompute
  9. 2026-07-09 02:50 UTCGHSA enrichment
  10. 2026-07-08 14:07 UTCEG score recompute
  11. 2026-07-08 14:05 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56086?
CVE-2026-56086 is a high vulnerability published on July 8, 2026. Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an Incorrect Authorization vulnerability. A low privileged attacker with…
When was CVE-2026-56086 disclosed?
CVE-2026-56086 was first published in the National Vulnerability Database on July 8, 2026, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56086 actively exploited?
CVE-2026-56086 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56086?
CVE-2026-56086 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-56086?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56086, 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-2026-56086

Explore →

Is Your Infrastructure Affected by CVE-2026-56086?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs