CVE-2020-1242
An information disclosure vulnerability exists in the way that Microsoft Edge handles cross...
An information disclosure vulnerability exists in the way that Microsoft Edge handles cross-origin requests, aka 'Microsoft Edge Information Disclosure Vulnerability'.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An information disclosure vulnerability exists in the way that Microsoft Edge handles cross-origin requests, aka 'Microsoft Edge Information Disclosure Vulnerability'.
- Record
CVE-2020-1242- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.6 Low
AV:N/AC:H/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
An information disclosure vulnerability exists in the way that Microsoft Edge handles cross-origin requests, aka 'Microsoft Edge Information Disclosure Vulnerability'.
- Record
CVE-2020-1242- Updated
- 2026-11-02
EUVDEUVD-2020-12121 No score
An information disclosure vulnerability exists in the way that Microsoft Edge handles cross-origin requests, aka 'Microsoft Edge Information Disclosure Vulnerability'.
- Record
EUVD-2020-12121- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vrjv-gq3f-2v6v No score
An information disclosure vulnerability exists in the way that Microsoft Edge handles cross...
An information disclosure vulnerability exists in the way that Microsoft Edge handles cross-origin requests, aka 'Microsoft Edge Information Disclosure Vulnerability'.
- Record
GHSA-vrjv-gq3f-2v6v- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
- microsoft edge
- microsoft edge (edgehtml-based) on windows 10 version 1803 for 32-bit systems
- microsoft edge (edgehtml-based) on windows 10 version 1803 for arm64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1803 for x64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1809 for 32-bit systems
- microsoft edge (edgehtml-based) on windows 10 version 1809 for arm64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1809 for x64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1903 for 32-bit systems
- microsoft edge (edgehtml-based) on windows 10 version 1903 for arm64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1903 for x64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1909 for 32-bit systems
- microsoft edge (edgehtml-based) on windows 10 version 1909 for arm64-based systems
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- microsoft edge (edgehtml-based) on windows 10 version 1909 for x64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 2004 for 32-bit systems
- microsoft edge (edgehtml-based) on windows 10 version 2004 for arm64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 2004 for x64-based systems
- microsoft edge (edgehtml-based) on windows server 2019
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-2020-1242 is a medium vulnerability (CVSS 5.3) in Microsoft Edge, published June 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.86%, the 90th percentile. No source names a fixed version.