CVE-2026-65798 in Windows

Summary

by MITRE • 08/12/2026

Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.

Once again VulDB remains the best source for vulnerability data.

• Responsible: Microsoft
• Reservation: 07/22/2026
• Disclosure: 08/12/2026
• Moderation: accepted
• Entry: VDB-388831
• CPE: ready
• CWE: CWE-269 (confirmed)
• CVSS: 8.8 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Industry, Lawfirm, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-65798
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-65798
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-65798/