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CVE-2026-88086

Microsoft SQL Server Information Disclosure Vulnerability

CVSS score

5.3

EPSS probability

%0.3

Risk score

0.0

Published

1 d ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Official patch verified

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

Microsoft SQL Server Information Disclosure Vulnerability

Sources read

2

Source agreement

0/2

Evidence confidence

%55

Short explanation

An out-of-bounds read vulnerability in Microsoft SQL Server allows an unauthorized attacker to disclose information over an adjacent network.

Why does it matter?

This vulnerability may enable attackers to obtain unauthorized information over the network, making it essential for administrators to review official vendor updates.

What should be done?

  • Follow the vendor advisory
  • Apply the corresponding updates
Note on uncertainty

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Chain of evidence and sources2 verified claims

Microsoft SQL Server, bitişik ağ üzerinden bilgi ifşasına yol açan bir sınır dışı okuma zafiyeti barındırmaktadır.

S0 · daybreach-canonicalS1 · cvelistS2 · nvd

Zafiyet için mevcut yama durumu doğrulanmış referanslarla desteklenmektedir.

S0 · daybreach-canonicalS1 · cvelist
Show the technical text from the sources

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

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

CWE: CWE-125

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-88086 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1microsoftMicrosoft SQL Server 2019 (GDR) View
2microsoftMicrosoft SQL Server 2019 for x64-based Systems (CU32) View
3microsoftMicrosoft SQL Server 2022 (GDR) View
4microsoftMicrosoft SQL Server 2022 for x64-based Systems (CU27) View
5microsoftMicrosoft SQL Server 2025 (CU8) View
6microsoftMicrosoft SQL Server 2025 for x64-based Systems (CU9) View
7microsoftMicrosoft SQL Server 2025 for x64-based Systems (GDR) View
Total affected vendors: 1|Products: 7

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
5.3CVSS V31MEDIUMCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NNVD
5.3CVSS V3_1MEDIUMCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

Microsoft SQL Server Information Disclosure Vulnerability

Open source
reference

Microsoft SQL Server Information Disclosure Vulnerability

Open source
Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-88086 is associated with the following CWEs:

CWE-125: Out-of-bounds Read

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-88086 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureBitişik ağ
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

Microsoft SQL Server Information Disclosure Vulnerabilitypatch

CVSS Vector Radar Chart

5.3 / 10
Attack VectorAdjacentComplexityHighPrivilegesNoneUser Interact.NoneConfidentialityHighIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Attack VectorAdjacent network
Attack ComplexityHigh
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)High
Integrity (Bütünlük)None
Availability (Erişilebilirlik)None

Yama doğrulandı

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

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Weakness Type (CWE & CAPEC)

CWE-125

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