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CVE-2026-88082

Microsoft SQL Server Elevation of Privilege Vulnerability

CVSS score

7.0

EPSS probability

—

Risk score

0.7

Published

3 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

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Vulnerability description

CVE AI research

The stored explanation is shown at once; refreshing evaluates the sources again.

DayBreach AI Explanation

Verified against sources

Microsoft SQL Server Elevation of Privilege Vulnerability

Sources read

2

Source agreement

0/2

Evidence confidence

%55

Short explanation

CVE-2026-88082 is a heap-based buffer overflow vulnerability in Microsoft SQL Server that allows an authorized attacker to elevate privileges locally.

Why does it matter?

This vulnerability enables an authorized local user to elevate privileges with high impact on the system.

What should be done?

  • Follow the Microsoft vendor advisory
  • Update affected versions
  • Apply available patches
Note on uncertainty

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Chain of evidence and sources2 verified claims

CVE-2026-88082, Microsoft SQL Server ürününü etkileyen bir heap tabanlı arabelik taşması zafiyetidir.

S0 · daybreach-canonicalS1 · cvelistS2 · nvd

Yetkili bir saldırgan bu zafiyetten yararlanarak yerel olarak ayrıcalık yükseltebilir.

S0 · daybreach-canonicalS1 · cvelistS2 · nvd
Show the technical text from the sources

Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.

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

CWE: CWE-122

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-2026-88082 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
7.0CVSS V3_1HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CCVE CNA
7.0CVSS V31HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

Microsoft SQL Server Elevation of Privilege Vulnerability

Open source
reference

Microsoft SQL Server Elevation of Privilege 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-2026-88082 is associated with the following CWEs:

CWE-122: Common Weakness Enumeration Entry CWE-122

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-2026-88082 weaknesses.

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

Attack Vector and Accessibility

ExposureYerel erişim
PermissionsLow
UserGerekmiyor

Official Sources and Advisories

Microsoft SQL Server Elevation of Privilege Vulnerabilitypatch

CVSS Vector Radar Chart

7.0 / 10
Attack VectorLocalComplexityHighPrivilegesLowUser Interact.NoneConfidentialityHighIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

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

Yama doğrulandı

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

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Weakness Type (CWE & CAPEC)

CWE-122

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