CVE ID | CVE-2021-34516 |
CVSS SCORE | 8.8, AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
AFFECTED VENDORS |
Microsoft |
AFFECTED PRODUCTS |
Windows |
VULNERABILITY DETAILS |
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the cdd.dll driver. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. |
ADDITIONAL DETAILS |
Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34516 |
DISCLOSURE TIMELINE |
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CREDIT | Marcin Wiazowski |