Dashboard / CVE-2026-78456

CVE-2026-78456

HIGH
MEDIUM Priority: 0.08 BB Relevance: 68/100
Published: 2026-09-08 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
Microsoft Microsoft SQL Server 2022 (CU 26) 16.0.0.0 < 16.0.4275.2
Microsoft Microsoft SQL Server 2022 (GDR) 16.0.0 < 16.0.1200.5

References & Advisories (1)

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.91%
Raw Score 0.009130
Percentile 60.1%
Date 2026-10-30

Intelligence Sources

mitre ref →

External Links