CVE-2026-88071
A low-privileged local attacker can trigger a double free in Windows Hyper-V and elevate to SYSTEM. Microsoft released the official fix on October 14, 2026.
- Impact
- Elevation of privilege / SYSTEM
- Severity
- Important · CVSS 3.1 7.8
- Weakness
- CWE-415 · Double Free
- Attack
- Local · Low complexity · Low privilege
- Resolution
- Official fix · October 14, 2026
- Credit
- 8damon with Ryftenius