CVE-2026-39824

NewNTUnicodeString does not check for string length overflow. When provided with a string that overflows the maximum size of a NTUnicodeString (a 16-bit number of bytes), it returns a truncated string rather than an error.

• golang-golang-x-sys (Only affects golang.org/x/sys on Windows) https://groups.google.com/g/golang-announce/c/6MMI8Lj-Atg https://github.com/golang/go/issues/78916