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CVE-2026-77480

SQL Server Elevation of Privilege Vulnerability

CVSS score

8.8

EPSS probability

%0.8

Risk score

0.1

Published

1 mo ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-77480 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Insufficient granularity of access control in SQL Server allows an authorized attacker to elevate privileges over a network.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-77480 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1microsoftMicrosoft SQL Server 2017 (CU 31) View
2microsoftMicrosoft SQL Server 2017 (GDR) View
3microsoftMicrosoft SQL Server 2019 (CU 32) View
4microsoftMicrosoft SQL Server 2019 (GDR) View
5microsoftMicrosoft SQL Server 2022 (CU 26) View
6microsoftMicrosoft SQL Server 2022 (GDR) View
7microsoftMicrosoft SQL Server 2025 (CU8) View
8microsoftMicrosoft SQL Server 2025 for x64-based Systems (GDR) View
9microsoftsql server 2017 View
10microsoftsql server 2017 View
11microsoftsql server 2019 View
12microsoftsql server 2019 View
13microsoftsql server 2022 View
14microsoftsql server 2022 View
15microsoftsql server 2025 View
16microsoftsql server 2025 View
Total affected vendors: 1|Products: 16

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
8.8CVSS V3_1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CCVE CNA
8.8CVSS V31HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

3 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

SQL Server Elevation of Privilege Vulnerability

Open source
nvd

NVD tarafından Patch olarak etiketlenmiş referans

Open source
reference

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-2026-77480 is associated with the following CWEs:

CWE-1220: Common Weakness Enumeration Entry CWE-1220

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-2026-77480 weaknesses.

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

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsLow
UserGerekmiyor

Official Sources and Advisories

SQL Server Elevation of Privilege Vulnerabilitypatch

CVSS Vector Radar Chart

8.8 / 10
Attack VectorNetworkComplexityLowPrivilegesLowUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

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

Yama doğrulandı

3 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

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Weakness Type (CWE & CAPEC)

CWE-1220

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