CVE-2026-88086
Microsoft SQL Server Information Disclosure Vulnerability
Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Microsoft SQL Server Information Disclosure Vulnerability
Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network.
- Record
CVE-2026-88086- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2026-100614
Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network.
- Record
EUVD-2026-100614- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9c49-wqxr-2c45
Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an...
Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network.
- Record
GHSA-9c49-wqxr-2c45- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network.
- Record
CVE-2026-88086- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-88086 is a medium vulnerability (CVSS 5.3) in Microsoft Sql Server 2019 (gdr), published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile. No source names a fixed version.