CVE-2026-70095
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk46th percentile - higher than 46% of all known CVEs
Summary
Heap-based buffer overflow in Windows iSCSI. An unauthorized attacker can execute code over a network.
Risk Assessment
Very high risk — unauthenticated remote code execution can lead to full server compromise and lateral movement across the network.
Recommendation
Immediately install Microsoft patches for Windows iSCSI and consider restricting iSCSI service access at the firewall level.
Other vulnerabilities in Windows iSCSI
See all- CVE-2026-69883Critical
Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network.
- CVE-2026-69705Critical
Out-of-bounds write in Windows iSCSI allows an unauthorized attacker to execute code over a network.
- CVE-2026-69634Critical
Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a network.
- CVE-2026-73025Critical
Weak authentication in Windows iSCSI allows an unauthorized attacker to bypass a security feature over a network.
- CVE-2026-70038High
A use after free vulnerability exists in Windows iSCSI. An unauthorized attacker can exploit this flaw to execute code over a network.
- CVE-2026-70031High
Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to cause denial of service over a network.
- CVE-2026-70013High
Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network.
- CVE-2026-69721Medium
An out-of-bounds read vulnerability in Windows iSCSI allows an authorized attacker to disclose information locally.
- CVE-2026-69644Medium
Exposure of sensitive system information to an unauthorized control sphere in Windows iSCSI allows an authorized attacker to disclose information locally.
- CVE-2026-69521High
Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker to execute code over a network.
Original NVD description (English source)
Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

