CVE-2026-58282

MEDIUMNVD 6.98.1▲
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-03. NVD baseline CVSS 6.9; sources differ by 1.2.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 5 sources updated this week
6.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.9Exploit: NoneExposed: 0

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

Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

CVSS v3
6.9
EG Score
8.1(medium)
EPSS
30.5%
KEV
Not listed

Published

July 3, 2026

Last Modified

July 6, 2026

Advisory Details (1)

Auto-updated Jul 6, 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-2026-58282

Vendor Advisories for CVE-2026-58282(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.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 31× in last 7d / 31× 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. 2026-07-07 02:31 UTCEG score recompute
  2. 2026-07-07 02:31 UTCVendor advisory
  3. 2026-07-07 02:31 UTCGHSA enrichment
  4. 2026-07-06 19:18 UTCNVD updateCVSS v3 → 6.9 · severity → MEDIUM
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 16:27 UTCEPSS rescore
  7. 2026-07-06 15:40 UTCEG score recompute
  8. 2026-07-06 15:40 UTCVendor advisory
  9. 2026-07-06 15:39 UTCGHSA enrichment
  10. 2026-07-06 04:48 UTCEG score recompute
  11. 2026-07-06 04:48 UTCVendor advisory
  12. 2026-07-06 04:48 UTCGHSA enrichment
  13. 2026-07-06 02:23 UTCEPSS rescore
  14. 2026-07-06 02:23 UTCEPSS rescore
  15. 2026-07-05 17:54 UTCEG score recompute
  16. 2026-07-05 17:54 UTCVendor advisory
  17. 2026-07-05 17:54 UTCGHSA enrichment
  18. 2026-07-05 07:03 UTCEG score recompute
  19. 2026-07-05 07:03 UTCVendor advisory
  20. 2026-07-05 07:03 UTCGHSA enrichment
  21. 2026-07-05 02:31 UTCEPSS rescore
  22. 2026-07-05 02:30 UTCEPSS rescore
  23. 2026-07-04 20:10 UTCEG score recompute
  24. 2026-07-04 20:10 UTCVendor advisory
  25. 2026-07-04 20:10 UTCGHSA enrichment
Show 6 more
  1. 2026-07-04 09:20 UTCEG score recompute
  2. 2026-07-04 09:20 UTCVendor advisory
  3. 2026-07-04 09:20 UTCGHSA enrichment
  4. 2026-07-03 22:28 UTCEG score recompute
  5. 2026-07-03 22:28 UTCVendor advisory
  6. 2026-07-03 22:28 UTCGHSA enrichment

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-58282?
CVE-2026-58282 is a medium vulnerability published on July 3, 2026. Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
When was CVE-2026-58282 disclosed?
CVE-2026-58282 was first published in the National Vulnerability Database on July 3, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-58282 actively exploited?
CVE-2026-58282 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-58282?
CVE-2026-58282 has a CVSS v3 base score of 6.9 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.1.
How do I remediate CVE-2026-58282?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58282, 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-2026-58282

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