CVE-2026-83838CWE-191

CVE-2026-83838

High · published October 13, 2026

CVSS v3.1
8.0
EPSS
0%
Percentile
41.0
In the wild
Unconfirmed
What it is

Integer underflow (wrap or wraparound) in Windows Bluetooth A2DP driver allows an authorized attacker to elevate privileges over an adjacent network.

The record
Technical detail
CVSS v3.1
8.0 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00488 · 41.0th percentile
Weakness
CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2026-10-13T23:20Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83838 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 0%
    epss
  • 13 OCT 18:59Z
    Windows Bluetooth A2DP driver Elevation of Privilege Vulnerability
    cvelistv5
  • 13 OCT 18:59Z
    Windows Bluetooth A2DP driver Elevation of Privilege Vulnerability
    cvelistv5