Answer in brief
CVE-2026-19810 records a Medium severity (CVSS 5.4) vulnerability in Cross-Site Scripting (XSS) in Symantec Endpoint Detection and Response Console. The current sources do not mark it as known exploited. The current feed maps Broadcom/Symantec Endpoint Detection and Response (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Broadcom/Symantec Endpoint Detection and Response (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Broadcom/Symantec Endpoint Detection and Responsegeneric | 4.12 | Not reported |
Published upstream
Oct 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 13, 2026
Symantec Endpoint Detection and Response (SEDR) Console, prior to 4.13, may be susceptible to a Cross-Site Scripting (XSS) vulnerability, which is a type of issue whereby an attacker may attempt to inject malicious script that executes in the context of another user’s session, potentially resulting in unauthorized access to functionality or information normally restricted to that user.
Quoted source text, attributed separately from HOL analysis.