CVE-2026-57993 | Microsoft Edge (Chromium-based) Spoofing Vulnerability

Server-side request forgery (ssrf) in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Published: 2026-07-03 Last update: 2026-07-03 Assigner: [email protected] Source: [email protected]
NVD Status：Received，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-57993 is rated Moderate Risk (45.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.63%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-57993

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-07-04 — 0.63% —

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-57993

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.4 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 4.0 [email protected]

Weakness enumeration for CVE-2026-57993

GitHub Security Advisory for CVE-2026-57993

GHSA-hq62-8562-72xh · Severity: high — Server-side request forgery (ssrf) in Microsoft Edge (Chromium-based) allows an unauthorized...

Affected software / configurations for CVE-2026-57993

Vendor Product Version Raw CPE
microsoft edge_chromium >= 1.0.0.0, < 150.0.4078.48 cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*

References for CVE-2026-57993

cvelogic Threat Intelligence