CVE-2026-69643
HighCVSS 8.0Exploitation Probability (EPSS)
Elevated risk54th percentile - higher than 54% of all known CVEs
Summary
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-2026-96862High
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-83832High
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-70112High
Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to execute code locally.
- CVE-2026-70102High
Use after free in the Windows Spaceport.sys driver. An authorized attacker can elevate privileges locally.
- CVE-2026-69934High
Integer overflow or wraparound in Windows Spaceport.sys. An authorized attacker can exploit this flaw to elevate privileges locally.
- CVE-2026-72952High
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to execute code locally.
- CVE-2026-72942Medium
Out-of-bounds read in Windows Spaceport.sys allows an unauthorized attacker to disclose information over a network.
- CVE-2026-71350Medium
Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code with a physical attack.
- CVE-2026-71349Medium
Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code via a physical attack.
- CVE-2026-71348Medium
Heap-based buffer overflow in Windows Spaceport.sys allows an unauthorized attacker to execute code 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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

