CVE-2026-88082
HighCVSS 7.0Summary
Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally. The vulnerability can be exploited to gain higher privileges on the system.
Risk Assessment
An authorized attacker can elevate privileges locally, potentially leading to full control over the system and access to sensitive data. This could compromise system integrity and confidentiality.
Recommendation
Apply security patches for SQL Server. Also, monitor user activity and restrict privileges to the minimum necessary.
Other vulnerabilities in Microsoft SQL Server
See all- CVE-2026-94512High
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network. The vulnerability can be exploited remotely, posing a serious threat to system integrity.
- CVE-2026-88088High
Integer overflow or wraparound in SQL Server allows an authorized attacker to elevate privileges locally. The vulnerability can be exploited to gain higher privileges on the system.
- CVE-2026-88083High
Stack-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network. The vulnerability can be exploited remotely without authentication, posing a serious threat.
- CVE-2026-88081High
Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network. The vulnerability can be exploited to remotely read data.
- CVE-2026-85919High
Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally. The vulnerability can be exploited to gain higher privileges on the system.
- CVE-2016-7249High
Microsoft SQL Server 2016 does not properly perform a cast of an unspecified pointer, allowing remote authenticated users to gain privileges via unknown vectors.
- CVE-2026-67643Critical
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
- CVE-2026-67631Critical
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
- CVE-2019-1068HighActively exploited
A remote code execution vulnerability exists in Microsoft SQL Server due to improper handling of internal functions. An attacker could exploit it to execute arbitrary code on the server.
- CVE-2000-0402Low
The vulnerability in Microsoft SQL Server 7.0 allows the Mixed Mode authentication mechanism to store the System Administrator (sa) account password in plaintext in a log file, which is accessible to any user.
Original NVD description (English source)
Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS