CVE-2023-21528
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk33th percentile - higher than 33% of all known CVEs
Summary
Remote code execution vulnerability in Microsoft SQL Server. Could allow arbitrary code execution on the server.
Risk Assessment
Risk of remote server compromise and data breach.
Recommendation
Apply the latest security updates from Microsoft.
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-2026-88082High
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-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.
Original NVD description (English source)
Microsoft SQL Server Remote Code Execution Vulnerability
Vulnerability data from NVD (NIST) · CISA KEV · EPSS