Every CVE Search/ Get API key

CVE-2018-8530

A security feature bypass vulnerability exists when Microsoft Edge improperly handles requests of...

4.3 Medium

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

5.47%Down 3.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 4.3

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.

Record
CVE-2018-8530
CVSS 3.0
4.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2018-8530
Updated
2026-11-02
EUVDEUVD-2018-20154 No score

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.

Record
EUVD-2018-20154
Updated
2026-11-03
GitHub AdvisoriesGHSA-7f9f-g56v-548g 4.3

A security feature bypass vulnerability exists when Microsoft Edge improperly handles requests of...

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.

Record
GHSA-7f9f-g56v-548g
CVSS 3.0
4.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-8530 is a medium vulnerability (CVSS 4.3) in Microsoft Edge, published October 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.47%, the 92nd percentile. No source names a fixed version.

References

MoveEnter Open