Microsoft Windows update for AMD processors
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-20569 |
| CWE-ID | CWE-200 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Information disclosure
EUVDB-ID: #VU79263
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-20569
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to a side channel issue in AMD CPUs. A remote user can influence the return address prediction and gain unauthorized access to sensitive information on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsWindows: 10 - 11 22H2
Windows Server: 2003 - 2022 20H2
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-20569
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
