Vulnerability · Published Jul 14, 2020 · Assigned by microsoft
CVE-2020-1421
High 8.8
In plain English
A high-severity security flaw in Windows from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 74.5% (higher than 99.5% of all known vulnerabilities).
Severity (CVSS NVD)8.8High
Exploit odds (30 days)74.5%top 0.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A remote code execution vulnerability exists in Microsoft Windows that could allow remote code execution if a .LNK file is processed.An attacker who successfully exploited this vulnerability could gain the same user rights as the local user, aka 'LNK Remote Code Execution Vulnerability'.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 2004 for 32-bit Systems | unspecified |
| Microsoft | Windows 10 Version 2004 for ARM64-based Systems | unspecified |
| Microsoft | Windows 10 Version 2004 for x64-based Systems | unspecified |
| Microsoft | Windows Server, version 2004 (Server Core installation) | unspecified |
| Microsoft | Windows | 10 Version 1803 for 32-bit Systems10 Version 1803 for x64-based Systems10 Version 1803 for ARM64-based Systems10 Version 1809 for 32-bit Systems10 Version 1809 for x64-based Systems10 Version 1809 for ARM64-based Systems10 Version 1709 for x64-based Systems10 Version 1709 for ARM64-based Systems |
| Microsoft | Windows Server | 20192019 (Core installation)20162016 (Core installation)2008 for 32-bit Systems Service Pack 22008 for 32-bit Systems Service Pack 2 (Core installation)2008 for x64-based Systems Service Pack 22008 for x64-based Systems Service Pack 2 (Core installation) |
| Microsoft | Windows 10 Version 1909 for 32-bit Systems | unspecified |
| Microsoft | Windows 10 Version 1909 for x64-based Systems | unspecified |
| Microsoft | Windows 10 Version 1909 for ARM64-based Systems | unspecified |
| Microsoft | Windows Server, version 1909 (Server Core installation) | unspecified |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | unspecified |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | unspecified |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | unspecified |
| Microsoft | Windows Server, version 1903 (Server Core installation) | unspecified |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1421 x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-20-923/ x_refsource_MISC