CVE-2026-70566

Out-of-bounds write in Windows Schannel allows an unauthorized attacker to execute code over a network.

Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.

No cwe for this issue in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.

Heap-based buffer overflow in Windows Schannel allows an unauthorized attacker to execute code over a network.

Null pointer dereference in Windows Schannel allows an authorized attacker to cause a denial of service over a network.

Use after free in Windows Schannel allows an authorized attacker to elevate privileges locally.

Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.

Out-of-bounds read in Windows Schannel allows an authorized attacker to disclose information over a network.