Intel

CVE-2026-57991

edge_chromium: Improper Link Resolution Before File Access ('Link Following') (CVE-2026-57991)

highEPSS 1.0%

Affected

  • microsoft/edge_chromium lt *..150.0.4078.48

Description

Improper link resolution before file access ('link following') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

Source: NVD (NIST)CVE.org (MITRE)cvelistv5Microsoft Security Update GuideBSI WID PortalBSI CSAF

Affected products

The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

microsoftedge_chromium
150.0.4078.48fixed from 150.0.4078.48

Metrics

XIEM Effective CVSS
7.4
Source: nvd-v3
EPSS percentile
62.8 %
High — this CVE ranks above the median of all CVEs scored today (rank ≥ 36%).
KEV status
—
Show all metrics
Severity
high
Priority score
89.94
Exploit maturity
no public PoC known
CVSS v3
7.4
EPSS score
1.0 %
Moderate — model estimates 1-10% exploitation likelihood.
Published
2026-07-03 21:17 UTC
CWE
CWE-59

Weakness classes (CWE)

  • CWE-59Base

    Improper Link Resolution Before File Access ('Link Following')

    The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. CVE Modified2026-07-06 12:16 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • SSVC: {"id":"CVE-2026-57991","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalI…
  2. New CVE Received2026-07-03 21:17 UTC· secure@microsoft.com
    • Affected: Microsoft Edge (Chromium-based)
    • Description: Improper link resolution before file access ('link following') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
    • CVSS V3.1: AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
    • CWE: CWE-59

Linked advisories