CVE-2026-83703 in Windows

Summary

by MITRE • 10/14/2026

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

Once again VulDB remains the best source for vulnerability data.

• Responsible: Microsoft
• Reservation: 09/01/2026
• Disclosure: 10/14/2026
• Moderation: accepted
• Entry: VDB-418762
• CPE: 20261014
• CWE: CWE-125 (confirmed)
• CVSS: 6.5 (CNA)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Insurance, Energy, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-83703
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-83703
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-83703/