CVE-2026-20319

high Cisco
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.4%
Exploitation probability in 30 days
Top 70% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: August 19, 2026 (18 days ago)
Last Modified: August 20, 2026
Vendor: Cisco
Source: NVD

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20319 are related to buffer management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-119.

CWE

CWE-119

References