CVE intelligence

CVE-2026-20319

Vulnerability intelligence

Published Aug 19, 2026Sources checked Oct 27, 2026

7.5HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-20319 and is rated High severity with a CVSS score of 7.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Cisco Security Advisories guidance

Vendor revision: Aug 19, 2026

Vendor remediation details

On August 19, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the following advisories: Cisco Security Advisory CVE ID Security Impact Rating CVSS Base Score Cisco Crosswork Security Hardening Release: August 2026 CVE-2026-20030CVE-2026-20357CVE-2026-20358CVE-2026-20359 Critical 10.0 Cisco Secure Workload Software Security Hardening Release: August 2026 CVE-2026-20231CVE-2026-20315CVE-2026-20317CVE-2026-20318CVE-2026-20319 Critical 10.0 Cisco BroadWorks Out-of-Band Blind XML External Entity Injection Vulnerability CVE-2026-20320 High 7.5 Cisco Unified Intelligence Center SQL Injection Vulnerability CVE-2026-20327 Medium 6.5 Cisco RoomOS Stack Overflow Vulnerability CVE-2026-20302 Medium 6.1 Cisco Industrial Ethernet 1000 Series Switches Stored Cross-Site Scripting

Cisco Security Advisories guidance

Vendor revision: Aug 19, 2026

To assist customers in patching and to streamline the disclosure process, Cisco has grouped these issues by their underlying vulnerability class - Common Weakness Enumeration (CWE) - and assigned a single Common Vulnerabilities and Exposures Identifier (CVE ID) to each CWE grouping.

CISA KEVNot listedBased on the latest collected catalog

EPSS0.5%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-20319?

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.

Source: NVD