01 Record
CVE-2018-8530
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
UnratedPUBLISHEDCNA: microsoft
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 5.47% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 92.3% of scored records. A rank, not a probability.
- NVD base score
- 4.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-10-10 13:00Z8 YR AGO
- Last updated
- 2024-08-05 07:02Z2 YR AGO
- Reserved
- 2018-03-14
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- ded8d511d9b9921bb9e975f2ae28291f4579c4deef540e55e9b4e268d3d7afc7
05 Affected products
VendorProductVersionsPlatforms
MicrosoftMicrosoft EdgeWindows 10 Version 1703 for 32-bit Systems, Windows 10 Version 1703 for x64-based Systems, Windows 10 Version 1709 for 32-bit Systems, Windows 10 Version 1709 for x64-based Systems, Windows 10 Version 1803 for 32-bit Systems, Windows 10 Version 1803 for x64-based Systems—
06 References
- www.securityfocus.com105487http://www.securityfocus.com/bid/105487
- www.securitytracker.com1041825http://www.securitytracker.com/id/1041825
- portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8530