CVE-2026-87021

HIGHPre-NVD 7.27.2—
EchelonGraph scoreHIGH confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-09-09. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.2Exploit: None knownExposed: 0

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

Tanium addressed an unauthorized code execution vulnerability in Comply.

CVSS v3
7.2
EG Score
7.2(high)
EG Risk
33(Track)
EG Risk 33/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity72% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

September 9, 2026

Last Modified

September 16, 2026

Advisory Details (1)

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

TAN-2026-040 - Tanium Security Advisories

https://security.tanium.com/TAN-2026-040

Vendor Advisories for CVE-2026-87021(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 26× in last 7d / 44× 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. 2026-09-19 11:54 UTCGHSA enrichment
  2. 2026-09-18 22:39 UTCEG score recompute
  3. 2026-09-18 22:39 UTCGHSA enrichment
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-18 09:27 UTCGHSA enrichment
  6. 2026-09-17 20:15 UTCEG score recompute
  7. 2026-09-17 20:15 UTCGHSA enrichment
  8. 2026-09-17 19:32 UTCEPSS rescore
  9. 2026-09-17 04:56 UTCGHSA enrichment
  10. 2026-09-16 15:43 UTCEG score recompute
  11. 2026-09-16 15:43 UTCGHSA enrichment
  12. 2026-09-16 14:09 UTCEPSS rescore
  13. 2026-09-16 08:55 UTCEG score recompute
  14. 2026-09-16 08:55 UTCGHSA enrichment
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-15 18:47 UTCGHSA enrichment
  17. 2026-09-15 05:34 UTCEG score recompute
  18. 2026-09-15 05:34 UTCGHSA enrichment
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-15 03:12 UTCEPSS rescore
  21. 2026-09-14 16:20 UTCGHSA enrichment
  22. 2026-09-14 03:07 UTCEG score recompute
  23. 2026-09-14 03:07 UTCGHSA enrichment
  24. 2026-09-13 13:55 UTCGHSA enrichment
  25. 2026-09-13 00:43 UTCEG score recompute
Show 19 more
  1. 2026-09-13 00:43 UTCGHSA enrichment
  2. 2026-09-12 11:31 UTCGHSA enrichment
  3. 2026-09-11 22:19 UTCEG score recompute
  4. 2026-09-11 22:18 UTCGHSA enrichment
  5. 2026-09-11 14:53 UTCEPSS rescore
  6. 2026-09-11 14:53 UTCEPSS rescore
  7. 2026-09-11 09:05 UTCGHSA enrichment
  8. 2026-09-10 19:53 UTCEG score recompute
  9. 2026-09-10 19:53 UTCGHSA enrichment
  10. 2026-09-10 06:41 UTCGHSA enrichment
  11. 2026-09-09 17:29 UTCEG score recompute
  12. 2026-09-09 17:29 UTCGHSA enrichment
  13. 2026-09-09 16:41 UTCEG score recompute
  14. 2026-09-09 16:41 UTCGHSA enrichment
  15. 2026-09-09 15:52 UTCEG score recompute
  16. 2026-09-09 15:52 UTCGHSA enrichment
  17. 2026-09-09 03:19 UTCEG score recompute
  18. 2026-09-09 02:32 UTCEG score recompute
  19. 2026-09-09 02:31 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-87021?
CVE-2026-87021 is a high vulnerability published on September 9, 2026. Tanium addressed an unauthorized code execution vulnerability in Comply.
When was CVE-2026-87021 disclosed?
CVE-2026-87021 was first published in the National Vulnerability Database on September 9, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-87021 actively exploited?
CVE-2026-87021 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 69.1% of all scored CVEs.
What is the CVSS score of CVE-2026-87021?
CVE-2026-87021 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-87021?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-87021, 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-2026-87021

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