CVE-2026-57990

HIGHPre-NVD 7.47.4—
EchelonGraph scoreHIGH confidence

Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2026-07-26. a secondary CVSS source baseline 7.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
Trending — 3 sources updated this week
7.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 7.4Exploit: None knownExposed: 0

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

Files or directories accessible to external parties in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

CVSS v3
7.4
EG Score
7.4(high)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity74% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
—
EPSS %ILE
—
KEV
Not listed

Published

July 26, 2026

Last Modified

July 26, 2026

Advisory Details (1)

Auto-updated Jul 26, 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-2026-57990

Vendor Advisories for CVE-2026-57990(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 5× in last 7d / 5× 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. 2026-07-26 18:22 UTCEG score recompute
  2. 2026-07-26 18:22 UTCVendor advisory
  3. 2026-07-26 17:46 UTCEG score recompute
  4. 2026-07-26 17:46 UTCVendor advisory
  5. 2026-07-26 17:44 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(4)

What is CVE-2026-57990?
CVE-2026-57990 is a high vulnerability published on July 26, 2026. Files or directories accessible to external parties in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
When was CVE-2026-57990 disclosed?
CVE-2026-57990 was first published in the National Vulnerability Database on July 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-57990?
CVE-2026-57990 has a CVSS v3 base score of 7.4 (NVD).
How do I remediate CVE-2026-57990?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57990, 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-2026-57990

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