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Vulnerability record · CVE-2018-8530 · published 10 October 2018

CVE-2018-8530: Microsoft edge vulnerability

Microsoft · Edge

A security feature bypass vulnerability exists when Microsoft Edge improperly handles requests of different origins, aka "Microsoft Edge Security Feature Bypass Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8512.

4.3 CVSS 3.0 Medium EPSS 5.5% · top 7.5%
4.3CVSS 3.0 base score, v2 4.3
5.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

A security feature bypass vulnerability exists when Microsoft Edge improperly handles requests of different origins, aka "Microsoft Edge Security Feature Bypass Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8512.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/105487 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041825 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8530 PatchVendor Advisory
http://www.securityfocus.com/bid/105487 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041825 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8530 PatchVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-8530), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.