CVE-2026-88118CWE-122CWE-190

CVE-2026-88118

High · published October 13, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
29.6
In the wild
Unconfirmed
What it is

Integer overflow or wraparound in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00369 · 29.6th percentile
Weaknesses
CWE-122 · Heap-based Buffer Overflow; CWE-190 · Integer Overflow or Wraparound
Published
2026-10-13T23:21Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88118 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:01Z
    Windows Background Intelligent Transfer Service (BITS) Elevation of Privilege Vulnerability
    cvelistv5
  • 13 OCT 19:01Z
    Windows Background Intelligent Transfer Service (BITS) Elevation of Privilege Vulnerability
    cvelistv5