CVE-2020-0955
An information disclosure vulnerability exists when certain central processing units (CPU)...
An information disclosure vulnerability exists when certain central processing units (CPU) speculatively access memory, aka 'Windows Kernel Information Disclosure in CPU Memory Access'.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
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 when certain central processing units (CPU) speculatively access memory, aka 'Windows Kernel Information Disclosure in CPU Memory Access'.
- Record
CVE-2020-0955- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
An information disclosure vulnerability exists when certain central processing units (CPU) speculatively access memory, aka 'Windows Kernel Information Disclosure in CPU Memory Access'.
- Record
CVE-2020-0955- Updated
- 2026-11-02
EUVDEUVD-2020-2423 No score
An information disclosure vulnerability exists when certain central processing units (CPU) speculatively access memory, aka 'Windows Kernel Information Disclosure in CPU Memory Access'.
- Record
EUVD-2020-2423- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p54j-3f84-hx6h No score
An information disclosure vulnerability exists when certain central processing units (CPU)...
An information disclosure vulnerability exists when certain central processing units (CPU) speculatively access memory, aka 'Windows Kernel Information Disclosure in CPU Memory Access'.
- Record
GHSA-p54j-3f84-hx6h- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
- microsoft windows
- microsoft windows 10 version 1903 for 32-bit systems
- microsoft windows 10 version 1903 for arm64-based systems
- microsoft windows 10 version 1903 for x64-based systems
- microsoft windows 10 version 1909 for 32-bit systems
- microsoft windows 10 version 1909 for arm64-based systems
- microsoft windows 10 version 1909 for x64-based systems
- microsoft windows server
- microsoft windows server, version 1903 (server core installation)
- microsoft windows server, version 1909 (server core installation)
- microsoft windows 10
- microsoft windows 7
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-0955 is a medium vulnerability (CVSS 5.5) in Microsoft Windows, published April 15, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.52%, the 74th percentile. No source names a fixed version.