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CVE-2026-88081

Microsoft SQL Server Information Disclosure Vulnerability

No known exploitation. No EPSS score yet. Fixed versions are out.

CVSS 3.17.7HighEPSS percentile—No score yetCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products5 fixed builds listed below

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Microsoft SQL Server 2017Affected: ≥ 14.0.0, < 14.0.2140.2Upgrade to: 14.0.2140.2Stated by: CVE record
  • Microsoft SQL Server 2017 for x64-based SystemsAffected: ≥ 14.0.3006.16, < 14.0.3560.2Upgrade to: 14.0.3560.2Stated by: CVE record
  • Microsoft SQL Server 2019Affected: ≥ 15.0.0, < 15.0.2200.2Upgrade to: 15.0.2200.2Stated by: CVE record
  • Microsoft SQL Server 2019 for x64-based SystemsAffected: ≥ 15.0.4003.23, < 15.0.4500.2Upgrade to: 15.0.4500.2Stated by: CVE record
  • Microsoft SQL Server 2022Affected: ≥ 16.0.0, < 16.0.1210.3Upgrade to: 16.0.1210.3Stated by: CVE record

Versions as the sources state them. 3 more products have version data. Full version matrix after sign-in

Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

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

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

No EPSS score yet. New CVEs are usually scored within a few days.

Lifecycle

4 events over 0 days, from the signal feeds we watch.

  1. Publishedweakness classified, att&ck mapped, record updated

Affected products

And 1 more affected product. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Scored 7.7 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

In the news

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