SB2026041617 - Microsoft Windows update for AMD IOMMU
Published: April 16, 2026
Security Bulletin ID
SB2026041617
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2023-20585)
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to a boundary error in IOMMU. A local administrator can trigger memory corruption and cause loss of SNP guest data integrity.
Remediation
Install update from vendor's website.