CVE-2020-1075Windows Subsystem for Linux Information Disclosure Vulnerability
- 5.5MediumCVSS base score
- 1.3%Exploitation in 30 daysEPSS · top 28% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
An information disclosure vulnerability exists when Windows Subsystem for Linux improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. A attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how Windows Subsystem for Linux handles objects in memory.
Timeline
ID reserved
By microsoft
- 7 months later
· 7 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.3% · top 28% of all CVEs (14 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
Microsoft · Windows 10 Version 1803
- affected 10.0.0 – < publication
Microsoft · Windows 10 Version 1809
- affected 10.0.17763.0 – < publication
Microsoft · Windows 10 Version 1809
- affected 10.0.0 – < publication
Microsoft · Windows 10 Version 1903 for 32-bit Systems
- affected 10.0.0 – < publication
Microsoft · Windows 10 Version 1903 for ARM64-based Systems
- affected 10.0.0 – < publication
Microsoft · Windows 10 Version 1903 for x64-based Systems
- affected 10.0.0 – < publication
Microsoft · Windows 10 Version 1909
- affected 10.0.0 – < publication
Microsoft · Windows Server 2019
- affected 10.0.17763.0 – < publication
Microsoft · Windows Server 2019 (Server Core installation)
- affected 10.0.17763.0 – < publication
Microsoft · Windows Server, version 1803 (Server Core Installation)
- affected 10.0.0 – < publication
Microsoft · Windows Server, version 1903 (Server Core installation)
- affected 10.0.0 – < publication
Microsoft · Windows Server, version 1909 (Server Core installation)
- affected 10.0.0 – < publication
References
References2
- Windows Subsystem for Linux Information Disclosure Vulnerability (opens in a new tab)vendor-advisorypatch
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1075 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-11965 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-1075)Record last updated .