Vulnerability record/PUBLISHED/Published Nov 10, 2026 18:20:13 UTC

CVE-2026-116700

Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges with a physical attack.

Base score6.6/ 10

SeverityMediumCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorPhysicalAV

Attack complexityLowAC

Privileges requiredLowPR

User interactionNoneUI

ScopeUnchangedS

Confidentiality impactHighC

Integrity impactHighI

Availability impactHighA

Exploit maturityUnprovenE

CVSS vector stringCVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering Authoritymicrosoft

Last updatedNov 10, 2026 19:40:31 UTC

PublishedNov 10, 2026 18:20:13 UTC

ReservedOct 26, 2026 20:11:53 UTC