CVE-2026-85892

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-14. the CNA's CVSS baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 5 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

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

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.

CVSS v3
7.8
EG Score
7.8(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
Patch available. Sources: microsoft.
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85892

Vendor Advisories for CVE-2026-85892(2)

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 68× in last 7d / 68× 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. 2026-09-21 04:01 UTCEG score recompute
  2. 2026-09-21 04:01 UTCVendor advisory
  3. 2026-09-21 04:01 UTCGHSA enrichment
  4. 2026-09-20 20:16 UTCEPSS rescore
  5. 2026-09-20 16:58 UTCVendor advisory
  6. 2026-09-20 16:58 UTCGHSA enrichment
  7. 2026-09-20 05:55 UTCVendor advisory
  8. 2026-09-20 05:55 UTCGHSA enrichment
  9. 2026-09-19 18:53 UTCEG score recompute
  10. 2026-09-19 18:53 UTCVendor advisory
  11. 2026-09-19 18:52 UTCGHSA enrichment
  12. 2026-09-19 07:49 UTCVendor advisory
  13. 2026-09-19 07:49 UTCGHSA enrichment
  14. 2026-09-18 20:46 UTCEG score recompute
  15. 2026-09-18 20:46 UTCVendor advisory
  16. 2026-09-18 20:46 UTCGHSA enrichment
  17. 2026-09-18 19:28 UTCEPSS rescore
  18. 2026-09-18 13:50 UTCVendor advisory
  19. 2026-09-18 13:50 UTCGHSA enrichment
  20. 2026-09-18 10:08 UTCVendor advisory
  21. 2026-09-18 10:08 UTCGHSA enrichment
  22. 2026-09-17 23:05 UTCVendor advisory
  23. 2026-09-17 23:05 UTCGHSA enrichment
  24. 2026-09-17 19:54 UTCEG score recompute
  25. 2026-09-17 19:54 UTCVendor advisory
Show 43 more
  1. 2026-09-17 19:54 UTCGHSA enrichment
  2. 2026-09-17 19:32 UTCEPSS rescore
  3. 2026-09-17 09:04 UTCVendor advisory
  4. 2026-09-17 09:03 UTCGHSA enrichment
  5. 2026-09-16 22:00 UTCEG score recompute
  6. 2026-09-16 22:00 UTCVendor advisory
  7. 2026-09-16 22:00 UTCGHSA enrichment
  8. 2026-09-16 19:36 UTCEG score recompute
  9. 2026-09-16 19:36 UTCVendor advisory
  10. 2026-09-16 19:36 UTCGHSA enrichment
  11. 2026-09-16 14:09 UTCEPSS rescore
  12. 2026-09-16 09:49 UTCEG score recompute
  13. 2026-09-16 09:49 UTCVendor advisory
  14. 2026-09-16 09:49 UTCGHSA enrichment
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-15 22:46 UTCVendor advisory
  17. 2026-09-15 22:46 UTCGHSA enrichment
  18. 2026-09-15 17:40 UTCVendor advisory
  19. 2026-09-15 17:40 UTCGHSA enrichment
  20. 2026-09-15 17:28 UTCEG score recompute
  21. 2026-09-15 17:28 UTCVendor advisory
  22. 2026-09-15 17:28 UTCGHSA enrichment
  23. 2026-09-15 15:28 UTCVendor advisory
  24. 2026-09-15 15:28 UTCGHSA enrichment
  25. 2026-09-15 04:25 UTCEG score recompute
  26. 2026-09-15 04:25 UTCVendor advisory
  27. 2026-09-15 04:25 UTCGHSA enrichment
  28. 2026-09-15 04:04 UTCVendor advisory
  29. 2026-09-15 04:04 UTCGHSA enrichment
  30. 2026-09-14 22:55 UTCEG score recompute
  31. 2026-09-14 22:55 UTCVendor advisory
  32. 2026-09-14 22:55 UTCGHSA enrichment
  33. 2026-09-14 20:23 UTCEG score recompute
  34. 2026-09-14 20:23 UTCVendor advisory
  35. 2026-09-14 20:23 UTCGHSA enrichment
  36. 2026-09-14 19:30 UTCEG score recompute
  37. 2026-09-14 19:30 UTCVendor advisory
  38. 2026-09-14 19:30 UTCGHSA enrichment
  39. 2026-09-14 18:31 UTCEG score recompute
  40. 2026-09-14 18:31 UTCVendor advisory
  41. 2026-09-14 17:35 UTCEG score recompute
  42. 2026-09-14 17:35 UTCVendor advisory
  43. 2026-09-14 17:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-85892?
CVE-2026-85892 is a high vulnerability published on September 14, 2026. Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.
When was CVE-2026-85892 disclosed?
CVE-2026-85892 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-85892 actively exploited?
CVE-2026-85892 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 90.7% of all scored CVEs.
What is the CVSS score of CVE-2026-85892?
CVE-2026-85892 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-85892?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-85892, 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-2026-85892

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