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Microsoft Edge CVE-2026-57993

| EUVDEUVD-2026-41567 HIGH
Server-Side Request Forgery (SSRF) (CWE-918)
2026-07-03 microsoft GHSA-hq62-8562-72xh
7.4
CVSS 3.1 · NVD
Temporal: 6.4
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Severity by source

Vendor (microsoft) PRIMARY
HIGH
qualitative
NVD
7.4 HIGH
AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
CIRCL (temporal)
6.4 MEDIUM
cvss
vuln.today AI
7.4 HIGH

Remote, unauthenticated, low-complexity SSRF requiring user interaction (UI:R); crosses the browser trust boundary (S:C) with confidentiality-only impact (C:H, I:N, A:N).

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N

Primary rating from Vendor (microsoft).

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

2
Analysis Generated
Jul 03, 2026 - 21:16 vuln.today
CVE Published
Jul 03, 2026 - 20:35 cve.org
HIGH 7.4

DescriptionNVD

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

AnalysisAI

Server-side request forgery in Microsoft Edge (Chromium-based) lets a remote, unauthenticated attacker coax a victim's browser into issuing forged network requests, enabling spoofing and disclosure of sensitive data over the network. Exploitation requires user interaction (visiting or interacting with attacker-controlled content), and the CVSS scope-change flag indicates the browser can be pivoted to reach resources beyond its own security boundary. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Lure victim to malicious page
Delivery
Edge follows attacker-controlled URL
Exploit
Trigger SSRF in browser networking
Execution
Forge request to internal endpoint
Impact
Exfiltrate response / spoof identity

Vulnerability AssessmentAI

Exploitation Exploitation requires victim user interaction (CVSS UI:R) - the target must visit or interact with attacker-controlled web content in Microsoft Edge; it cannot be triggered fully unattended. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 base score of 7.4 (High) is driven by AV:N/AC:L/PR:N (network, low complexity, no privileges) combined with S:C and C:H, but tempered by UI:R (user interaction required) and impact limited to confidentiality (I:N/A:N). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker hosts a malicious web page or injects crafted content that Edge processes; when a victim visits or interacts with it (UI:R), the browser is induced to send forged requests to attacker-chosen destinations, potentially internal resources, enabling spoofing and disclosure of sensitive responses. No public exploit code is known (E:U), so an attacker would need to develop the exploit independently.
Remediation Patch available per vendor advisory: update Microsoft Edge to the fixed build documented at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57993 (RL:O confirms an official remediation exists); the input does not specify an exact fixed version number, so confirm the target build from the MSRC page before deployment. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Issue security alert to all users advising against visiting untrusted websites and recommend using alternative browsers until patches are deployed. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-57993 vulnerability details – vuln.today

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