CVE-2026-39824

Invoking integer overflow in NewNTUnicodeString in golang.org/x/sys/windows

Low · published May 22, 2026

CVSS v3.1
3.3
EPSS
0%
Percentile
4.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.3 · LOW
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00158 · 4.6th percentile
Published
2026-05-22T19:39Z
EPSS history
Timeline
  • 22 MAY 19:39Z
    Invoking integer overflow in NewNTUnicodeString in golang.org/x/sys/windows
    cvelistv5