VDB
CVE-2026-62903
CVE-2026-62903
PUBLISHED
CVSS 7.4 HIGH
Microsoft.Data.SqlClient Information Disclosure Vulnerability
Reported by microsoft · Published November 10, 2026
Authentication bypass by capture-replay in SQL Server allows an unauthorized attacker to disclose information over a network.
Risk scores
CVSS 3.1
7.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft.Data.SqlClient 6.1 | 1.0.0.0 |
| Microsoft | Microsoft.Data.SqlClient 7.0 | 1.0.0.0 |
| Microsoft | Microsoft.Data.SqlClient 7.1 | 1.0.0.0 |
| microsoft | microsoft_data_sqlclient_6_1 | 1.0.0.0 |
| microsoft | microsoft_data_sqlclient_7_1 | 1.0.0.0 |
| microsoft | microsoft_data_sqlclient_7_0 | 1.0.0.0 |
| Microsoft | Microsoft.Data.SqlClient 7.0 | 1.0.0.0 |
| Microsoft | Microsoft.Data.SqlClient 6.1 | 1.0.0.0 |
| Microsoft | Microsoft.Data.SqlClient 7.1 | 1.0.0.0 |
Timeline
- Nov 10, 2026 CVE Published
- Nov 11, 2026 EPSS Score
- Nov 11, 2026 Coalition ESS Score
- Nov 11, 2026 CVE Updated
- Nov 12, 2026 Security Advisory
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2026-62903
vulnetix vdb fixes CVE-2026-62903Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-62903/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- Microsoft.Data.SqlClient Information Disclosure Vulnerability vendor-advisorypatch