7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary CVE-2022-34689 is a critical vulnerability in Windows CryptoAPI that was publicly announced by Microsoft in October 2022. The vulnerability allows an attacker to masquerade as a legitimate entity by exploiting the assumption that the certificate cache index key, based on MD5, is collision-free.