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Rewterz Threat Advisory – CVE-2020-17087 – Microsoft Windows privilege escalation

Severity

High

Analysis Summary

CVE-2020-17087

Microsoft Windows could allow a local authenticated attacker to gain elevated privileges on the system, caused by a pool-based buffer overflow in the Cryptography Driver (cng.sys) in the kernel. By executing a specially-crafted program, an authenticated attacker could exploit this vulnerability to execute arbitrary code with higher privileges.

Impact

Gain Privileges

Affected Vendors

Microsoft

Affected Products

  • Microsoft Windows Server 2008 SP2 x32
  • Microsoft Windows 7 SP1 x64
  • Microsoft Windows 8.1 x32
  • Microsoft Windows Server 2016

Remediation

Refer to vendor advisory for the complete list of affected products and their respective patches.

https://bugs.chromium.org/p/project-zero/issues/detail?id=2104

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