6.4Medium
CVE-2023-20511
Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentially leading to arbitrary code execution.
What this means for your business
- An attacker can use it remotely, over a network, with an administrator login, but only after tricking someone into an action such as opening a file or a link.
What to do
- 1Ask your IT team or provider whether any of your systems use the affected product.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 6.4 (v3.0)
- Vector
CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H- Weakness
- CWE-763
- Assigned by
- psirt@amd.com
Dates
- Published
- 2026-08-31
- Last modified
- 2026-09-03
- Sources
- NVD