CVE-2026-26115
published 2026-03-10CVE-2026-26115: Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
PriorityP263high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
1.09%
61.8th percentile
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
Affected
26 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_sql_server_2016_service_pack_3 | >= 13.0.0 < 13.0.6480.4 | 13.0.6480.4 |
| microsoft | microsoft_sql_server_2016_service_pack_3_azure_connect_feature_pack | >= 13.0.0 < 13.0.7075.5 | 13.0.7075.5 |
| microsoft | microsoft_sql_server_2017 | >= 14.0.0 < 14.0.3520.4 | 14.0.3520.4 |
| microsoft | microsoft_sql_server_2017 | >= 14.0.0 < 14.0.2100.4 | 14.0.2100.4 |
| microsoft | microsoft_sql_server_2019 | >= 15.0.0 < 15.0.2160.4 | 15.0.2160.4 |
| microsoft | microsoft_sql_server_2019 | >= 15.0.0.0 < 15.0.4460.4 | 15.0.4460.4 |
| microsoft | microsoft_sql_server_2022 | >= 16.0.0 < 16.0.1170.5 | 16.0.1170.5 |
| microsoft | microsoft_sql_server_2022_for_x64-based_systems | >= 16.0.0.0 < 16.0.4240.4 | 16.0.4240.4 |
| microsoft | microsoft_sql_server_2025 | >= 17.0.0.0 < 17.0.4020.2 | 17.0.4020.2 |
| microsoft | microsoft_sql_server_2025_for_x64-based_systems | >= 17.0.1050.2 < 17.0.1105.2 | 17.0.1105.2 |
| microsoft | sql_server_2016 | >= 13.0.6300.2 < 13.0.6480.4 | 13.0.6480.4 |
| microsoft | sql_server_2016 | >= 13.0.7000.253 < 13.0.7075.5 | 13.0.7075.5 |
| microsoft | sql_server_2017 | >= 14.0.1000.169 < 14.0.2100.4 | 14.0.2100.4 |
| microsoft | sql_server_2017 | >= 14.0.3006.16 < 14.0.3520.4 | 14.0.3520.4 |
| microsoft | sql_server_2019 | >= 15.0.2000.5 < 15.0.2160.4 | 15.0.2160.4 |
| microsoft | sql_server_2019 | >= 15.0.4003.23 < 15.0.4460.4 | 15.0.4460.4 |
| microsoft | sql_server_2022 | >= 16.0.1000.6 < 16.0.1170.5 | 16.0.1170.5 |
| microsoft | sql_server_2022 | >= 16.0.4003.1 < 16.0.4240.4 | 16.0.4240.4 |
| microsoft | sql_server_2025 | >= 17.0.1000.7 < 17.0.1050.2 | 17.0.1050.2 |
| microsoft | sql_server_2025 | >= 17.0.4006.2 < 17.0.4020.2 | 17.0.4020.2 |
| msrc | microsoft_sql_server_2016_for_x64-based_systems_service_pack_3 | — | — |
| msrc | microsoft_sql_server_2016_for_x64-based_systems_service_pack_3_azure_connect_fea | — | — |
| msrc | microsoft_sql_server_2017_for_x64-based_systems | — | — |
| msrc | microsoft_sql_server_2019_for_x64-based_systems | — | — |
| msrc | microsoft_sql_server_2022_for_x64-based_systems | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Attacker must be authenticated with explicit permissions to SQL Server — monitor for low-privileged SQL logins that subsequently acquire sysadmin role membership ↗
- →Privilege escalation target is the SQL 'sysadmin' fixed server role — alert on unexpected additions to sysadmin role (e.g., via sp_addsrvrolemember or ALTER SERVER ROLE) ↗
- →Exploitation vector is network-based against SQL Server — monitor for anomalous privilege-escalation activity originating from remote authenticated sessions ↗
- ·No public exploit exists as of the advisory date; exploitation is rated 'Less Likely' by Microsoft ↗
- ·Once a SQL Server CU update is applied, reverting to the GDR update path is not possible — choose the update track carefully ↗
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc8.8HIGH
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GHSA
GHSA-xjf9-64j8-5qjg: Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network
ghsa_unreviewed·2026-03-10
CVE-2026-26115 [HIGH] CWE-1287 GHSA-xjf9-64j8-5qjg: Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
Microsoft
SQL Server Elevation of Privilege Vulnerability
vendor_msrc·2026-03-10·CVSS 8.8
CVE-2026-26115 [HIGH] CWE-1287 SQL Server Elevation of Privilege Vulnerability
SQL Server Elevation of Privilege Vulnerability
Description: Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
FAQ: What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker who successfully exploited this vulnerability could gain SQL sysadmin privileges.
FAQ: I am running SQL Server on my system. What action do I need to take?
Update your relevant version of SQL Server. Any applicable driver fixes are included in those updates.
There are GDR and/or CU (Cumulative Update) updates offered for my version of SQL Server. How do I know which update to use?
First, determine your SQL Server version number. For more information on determining your SQL Server version num
No detection rules found.
No public exploits indexed.
Sophos
March Patch Tuesday visits 15 product families
blogs_sophos·2026-03-13
March Patch Tuesday visits 15 product families
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Talos
Microsoft Patch Tuesday for March 2026 — Snort rules and prominent vulnerabilities
blogs_talos·2026-03-10·CVSS 8.8
CVE-2026-26110 [HIGH] Microsoft Patch Tuesday for March 2026 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for March 2026 which includes 79 vulnerabilities, including three that Microsoft marked as “critical.” The remaining vulnerabilities listed are classified as “important.” Microsoft assessed that exploitation of the three “critical” vulnerabilities is “less likely.”
CVE-2026-26110 and CVE-2026-26113 are “critical” Microsoft Office Remote Code Execution Vulnerabilities that could allow an unauthorized attacker to execute code locally; the former is a type confusion issue caused by access to a resource using an incompatible type, and the latter is an untrusted pointer dereference.
CVE-2026-26144 is a “critical” information disclosure vulnerability affecting Microsoft Excel. This vulnerability is due to improper neutralization of input in Mi
Talos
Microsoft Patch Tuesday for March 2026 — Snort rules and prominent vulnerabilities
blogs_talos·2026-03-10·CVSS 8.8
CVE-2026-26110 [HIGH] Microsoft Patch Tuesday for March 2026 — Snort rules and prominent vulnerabilities
## Microsoft Patch Tuesday for March 2026 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for March 2026 which includes 79 vulnerabilities, including three that Microsoft marked as “critical.” The remaining vulnerabilities listed are classified as “important.” Microsoft assessed that exploitation of the three “critical” vulnerabilities is “less likely.”
CVE-2026-26110 and CVE-2026-26113 are “critical” Microsoft Office Remote Code Execution Vulnerabilities that could allow an unauthorized attacker to execute code locally; the former is a type confusion issue caused by access to a resource using an incompatible type, and the latter is an untrusted pointer dereference.
CVE-2026-26144 is a “critical” information disclosure vulnerability affecti
Tenable
March 2026 Microsoft Patch Tuesday | Tenable®
blogs_tenable·2026-03-10·CVSS 8.8
CVE-2026-21262 [HIGH] March 2026 Microsoft Patch Tuesday | Tenable®
Blog / Cyber Exposure Alerts
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# Microsoft’s March 2026 Patch Tuesday Addresses 83 CVEs (CVE-2026-21262, CVE-2026-26127)
Research Special Operations
March 10, 2026
4 Min Read
1. 8Critical
2. 75Important
3. 0Moderate
4. 0Low
Microsoft addresses 83 CVEs including two vulnerabilities that were publicly disclosed prior to a patch being released.
Microsoft patched 83 CVEs in its March 2026 Patch Tuesday release, with eight rated critical and 75 rated as important. Our counts omitted one CVE (CVE-2026-26030) assigned by GitHub.
This month’s update includes patches for:
- .NET
- ASP.NET Core
- Active Directory Domain Services
- Azure Arc
- Azure Compute Gallery
- Azure Entra ID
- Azure IoT Explorer
- Azure Linux Virtual Machines
- Azure MCP Server
- Azure Portal Windows Admin Cen
Tenable
March 2026 Microsoft Patch Tuesday | Tenable®
blogs_tenable·2026-03-10
March 2026 Microsoft Patch Tuesday | Tenable®
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## Business needs
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Bleepingcomputer
Microsoft March 2026 Patch Tuesday fixes 2 zero-days, 79 flaws
blogs_bleepingcomputer·2026-03-10·CVSS 8.8
[HIGH] Microsoft March 2026 Patch Tuesday fixes 2 zero-days, 79 flaws
## Microsoft March 2026 Patch Tuesday fixes 2 zero-days, 79 flaws
## Lawrence Abrams
The number of bugs in each vulnerability category is listed below:
46 Elevation of Privilege Vulnerabilities
2 Security Feature Bypass Vulnerabilities
18 Remote Code Execution Vulnerabilities
10 Information Disclosure Vulnerabilities
4 Denial of Service Vulnerabilities
4 Spoofing Vulnerabilities
When BleepingComputer reports on Patch Tuesday security updates, we only count those released by Microsoft today. Therefore, the number of flaws does not include 9 Microsoft Edge flaws, Mariner, Payment Orchestrator Service, Azure, and Microsoft Devices Pricing Program flaws fixed earlier this month.
To learn more about the non-security updates released today, you can review our dedicated articles on the
Sophos
March Patch Tuesday visits 15 product families
blogs_sophos
March Patch Tuesday visits 15 product families
Share This
Microsoft on Tuesday released 84 patches affecting 15 product families – including a few you’ve possibly never encountered. Eight of the addressed issues are considered by Microsoft to be of Critical severity, though none of those affect Windows, nor are they expected to be exploited within the next 30 days. In addition, five of those Critical issues were in fact addressed by Microsoft in advance of Patch Tuesday itself, as we’ll discuss below. Twenty-two have a CVSS base score of 8.0 or higher, including one with a 9.8 base score. None are known to be under active exploit in the wild, but two are publicly disclosed so far.
At patch time, six CVEs are judged more likely to be exploited in the next 30 days by the company’s estimation. Various of this month’s issues are amenable
Wiz
CVE-2026-26115 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 8.8
CVE-2026-26115 [HIGH] CVE-2026-26115 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-26115 :
vulnerability analysis and mitigation
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
Source : NVD
## 8.8
Score
Published March 10, 2026
Severity HIGH
CNA Score 8.8
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 28.4
Exploitation Probability (EPSS) 0.1
Sources
NVD
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2026-03-10
Published