CVE-2026-69643
HighCVSS 8.0Summary
Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges over a network.
Risk Assessment
An attacker with network access could gain elevated privileges, potentially leading to full system compromise.
Recommendation
Apply the latest Windows security updates.
Other vulnerabilities in Windows Spaceport.sys
See all- CVE-2026-72952High
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to execute code locally.
- CVE-2026-71345High
Out-of-bounds write in Windows Spaceport.sys allows an authorized attacker to execute code locally.
- CVE-2026-70569High
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-69691High
Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-69538High
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to execute code locally.
- CVE-2026-69535High
Numeric truncation error in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-69512High
Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges over a network.
- CVE-2026-50333High
Missing authentication for a critical function in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-50298Medium
Integer overflow vulnerability in Windows Spaceport.sys. Allows an unauthorized attacker to elevate privileges via a physical attack.
Original NVD description (English source)
Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges over a network.

