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CVE-2026-88086

Microsoft SQL Server Information Disclosure Vulnerability

MEDIUM
5.3
CVSS Score
Published: October 13, 2026 at 08:37 PM UTC
Updated: October 30, 2026 at 08:17 PM UTC
6 products affected across 1 vendorSQL Server 2019SQL Server 2022SQL Server 2025

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88086

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMmicrosoft
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-125

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