CVE-2018-8278
A spoofing vulnerability exists when Microsoft Edge improperly handles specific HTML content, aka...
A spoofing vulnerability exists when Microsoft Edge improperly handles specific HTML content, aka "Microsoft Edge Spoofing Vulnerability." This affects Microsoft Edge.
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
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A spoofing vulnerability exists when Microsoft Edge improperly handles specific HTML content, aka "Microsoft Edge Spoofing Vulnerability." This affects Microsoft Edge.
- Record
CVE-2018-8278- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-290
- Updated
- 2026-11-02
CVE List No score
A spoofing vulnerability exists when Microsoft Edge improperly handles specific HTML content, aka "Microsoft Edge Spoofing Vulnerability." This affects Microsoft Edge.
- Record
CVE-2018-8278- Updated
- 2026-11-02
EUVDEUVD-2018-19941 No score
A spoofing vulnerability exists when Microsoft Edge improperly handles specific HTML content, aka "Microsoft Edge Spoofing Vulnerability." This affects Microsoft Edge.
- Record
EUVD-2018-19941- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jmg8-wcjf-qmf3
A spoofing vulnerability exists when Microsoft Edge improperly handles specific HTML content, aka...
A spoofing vulnerability exists when Microsoft Edge improperly handles specific HTML content, aka "Microsoft Edge Spoofing Vulnerability." This affects Microsoft Edge.
- Record
GHSA-jmg8-wcjf-qmf3- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-290
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-8278 is a medium vulnerability (CVSS 6.1) in Microsoft Edge, published July 11, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.13%, the 94th percentile. No source names a fixed version.