SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-83703

Out-of-bounds read in Windows Wi-Fi Driver allows an unauthorized attacker to deny service over an adjacent network.

MEDIUM 6.5EPSS 0.68%

Does this matter?

Lower severity and a low EPSS score (0.68%). Track it; it rarely justifies an emergency change on its own.

Description

Out-of-bounds read in Windows Wi-Fi Driver allows an unauthorized attacker to deny service over an adjacent network.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.68% probability · 52th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-125
Source
secure@microsoft.com
EPSS trend
0%3%5%14 October 2026: 0.59%26 October 2026: 0.68%14 October 202626 October 2026

EPSS moved from 0.6% on 14 October 2026 to 0.7% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.