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Vulnerability details

CVE-2026-57989

Microsoft Edge

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

CVSS 3.1
7.4High

Official description

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

CVSS scores

ScoreVersionSourceVector
7.4High 3.1 CVEProject cvelistV5 (CNA) (microsoft) CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C

Affected products

VendorProductVersionsSource
Microsoft Microsoft Edge (Chromium-based) 1.0.0.0 ≤ v < 150.0.4078.99 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-07-26
Last updated
2026-11-01
State
Published
Assigner (CNA)
microsoft

Exploit prediction (EPSS)

0.42%
Probability of exploitation in 30 days
37.2%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-346
    Origin Validation Error