CVE-2020-1054 — Microsoft Win32k Privilege Escalation Vulnerability

provenance: imported · CVE: CVE-2020-1054

CVE-2020-1054: Microsoft Win32k Privilege Escalation Vulnerability

CISA Known Exploited Vulnerability (KEV)


Vendor / project	Microsoft
Product	Win32k
Date added	2021-11-03
Due date	2022-05-03
Ransomware campaign use	Unknown

Description

Microsoft Win32k contains a privilege escalation vulnerability when the Windows kernel-mode driver fails to properly handle objects in memory. Successful exploitation allows an attacker to execute code in kernel mode.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2020-1054

References

NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-1054
KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog