Dashboard / CVE-2026-62903

CVE-2026-62903

HIGH
MEDIUM Priority: 0.05 BB Relevance: 65/100
Published: 2026-11-10 Modified: 2026-11-13 First seen: 2026-11-10 Status: active

Attack Surface

Network No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: Unchanged
C: High
I: High
A: None

Description

Authentication bypass by capture-replay in SQL Server allows an unauthorized attacker to disclose information over a network.

Weakness Classification (1)

Affected Software (27)

VendorProductVersion
Microsoft Microsoft.Data.SqlClient 6.1 1.0.0.0 < 6.1.7
Microsoft Microsoft.Data.SqlClient 6.1 1.0.0.0 < 6.1.7
Microsoft Microsoft.Data.SqlClient 6.1 1.0.0.0 < 6.1.7
Microsoft Microsoft.Data.SqlClient 6.1 1.0.0.0 < 6.1.7
Microsoft Microsoft.Data.SqlClient 6.1 1.0.0.0 < 6.1.7
Microsoft Microsoft.Data.SqlClient 6.1 1.0.0.0 < 6.1.7
Microsoft Microsoft.Data.SqlClient 6.1 1.0.0.0 < 6.1.7
Microsoft Microsoft.Data.SqlClient 6.1 1.0.0.0 < 6.1.7
Microsoft Microsoft.Data.SqlClient 6.1 1.0.0.0 < 6.1.7
Microsoft Microsoft.Data.SqlClient 7.0 1.0.0.0 < 7.0.3
Microsoft Microsoft.Data.SqlClient 7.0 1.0.0.0 < 7.0.3
Microsoft Microsoft.Data.SqlClient 7.0 1.0.0.0 < 7.0.3
Microsoft Microsoft.Data.SqlClient 7.0 1.0.0.0 < 7.0.3
Microsoft Microsoft.Data.SqlClient 7.0 1.0.0.0 < 7.0.3
Microsoft Microsoft.Data.SqlClient 7.0 1.0.0.0 < 7.0.3
Microsoft Microsoft.Data.SqlClient 7.0 1.0.0.0 < 7.0.3
Microsoft Microsoft.Data.SqlClient 7.0 1.0.0.0 < 7.0.3
Microsoft Microsoft.Data.SqlClient 7.0 1.0.0.0 < 7.0.3
Microsoft Microsoft.Data.SqlClient 7.1 1.0.0.0 < 7.1.0-preview3
Microsoft Microsoft.Data.SqlClient 7.1 1.0.0.0 < 7.1.0-preview3
Microsoft Microsoft.Data.SqlClient 7.1 1.0.0.0 < 7.1.0-preview3
Microsoft Microsoft.Data.SqlClient 7.1 1.0.0.0 < 7.1.0-preview3
Microsoft Microsoft.Data.SqlClient 7.1 1.0.0.0 < 7.1.0-preview3
Microsoft Microsoft.Data.SqlClient 7.1 1.0.0.0 < 7.1.0-preview3
Microsoft Microsoft.Data.SqlClient 7.1 1.0.0.0 < 7.1.0-preview3
Microsoft Microsoft.Data.SqlClient 7.1 1.0.0.0 < 7.1.0-preview3
Microsoft Microsoft.Data.SqlClient 7.1 1.0.0.0 < 7.1.0-preview3

References & Advisories (1)

Bug Bounty Relevance

65 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

7.4 / 10.0 v3.1
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

EPSS — Exploitation Probability

0.65%
Raw Score 0.006460
Percentile 51.5%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00646
2026-11-12
0.00646

Intelligence Sources

mitre ref →
nvd ref →

External Links