CVE-2018-8545

4.3 MEDIUM 6% exploit odds Fix listed Disclosure Browser & mail

What it is

An information disclosure vulnerability exists in the way that Microsoft Edge handles cross-origin requests, aka "Microsoft Edge Information Disclosure Vulnerability." This affects Microsoft Edge.

At a glance

Exploitability: Can be exploited over the network without logging in, but needs a user to act. Limited direct impact.
Exploit odds: 5.9% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2018-11-14 01:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:05 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 5.9% in the next 30 days (EPSS).
Severity: 4.3 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2018-11-14 01:29 UTC
Last modified: 2026-06-17 02:05 UTC
Exploit probability: 5.9% · EPSS, next 30 days
Record status: Modified

Affected

Microsoft Edge

Attack profile CVSS 3.0 · 4.3

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required
Scope: Unchanged
Confidentiality: Low
Integrity: None
Availability: None

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-8545.md and follow it. Check whether this project is affected by CVE-2018-8545. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record