CVE-2026-70238
HighCVSS 7.8Summary
Heap-based buffer overflow in the Windows Storage Spaces Controller driver. An authorized attacker can exploit it to elevate privileges locally.
Risk Assessment
Arbitrary code execution with elevated privileges is possible, threatening data confidentiality and integrity on storage servers.
Recommendation
Install the latest Windows security patches and consider restricting access to Storage Spaces features.
Other vulnerabilities in Windows Storage Spaces Controller
See all- CVE-2026-88100High
Use after free in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
- CVE-2026-87716High
Heap-based buffer overflow in Windows Storage Spaces Controller allows an unauthorized attacker to deny service over a network.
- CVE-2026-87706High
Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
- CVE-2026-35415High
Integer overflow or wraparound in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
- CVE-2026-69575High
Use after free in the Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
- CVE-2026-69568Medium
Out-of-bounds read in Windows Storage Spaces Controller allows an authorized attacker to disclose information locally.
- CVE-2026-69290High
Stack-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
- CVE-2026-68877High
Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to execute code locally.
- CVE-2026-68844High
Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to execute code locally.
- CVE-2021-34536High
Elevation of privilege vulnerability in the Windows Storage Spaces Controller. It allows a local attacker to gain elevated privileges.
Original NVD description (English source)
Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS