Vulnerability record/PUBLISHED/Published Nov 10, 2026 18:20:09 UTC

CVE-2026-70003

Improper verification of cryptographic signature in JDBC Driver for SQL Server allows an unauthorized attacker to bypass a security feature over a network.

Base score8.7/ 10

SeverityHighCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityHigh

Attack vectorNetworkAV

Attack complexityHighAC

Privileges requiredNonePR

User interactionNoneUI

ScopeChangedS

Confidentiality impactHighC

Integrity impactHighI

Availability impactNoneA

Exploit maturityUnprovenE

CVSS vector stringCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N/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 11, 2026 11:47:01 UTC

PublishedNov 10, 2026 18:20:09 UTC

ReservedAug 3, 2026 23:07:44 UTC