CVE-2026-69691
HighCVSS 7.8Summary
Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
Risk Assessment
A local attacker could exploit this vulnerability to escalate privileges and execute arbitrary code in the kernel.
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-2026-69643High
Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges over a network.
- 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 locally.

