CVE-2026-88146CWE-362CWE-416

CVE-2026-88146

High · published October 13, 2026

CVSS v3.1
7.0
EPSS
0%
Percentile
8.5
In the wild
Unconfirmed
What it is

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00193 · 8.5th percentile
Weaknesses
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'); CWE-416 · Use After Free
Published
2026-10-13T23:21Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88146 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:00Z
    Windows Background Intelligent Transfer Service (BITS) Elevation of Privilege Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Windows Background Intelligent Transfer Service (BITS) Elevation of Privilege Vulnerability
    cvelistv5