How many CVEs does Symantec have?

Symantec has 598 published CVE records since 2000, including 4 in the last two years.

How many Symantec CVEs are in CISA KEV?

Yes — 1 of Symantec's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.

Which Symantec products have the most CVEs?

The Symantec products with the most published CVEs are Endpoint Protection, norton antivirus, endpoint protection manager, norton internet security, web gateway.

What are the most common weakness types in Symantec CVEs?

Symantec's CVEs most often map to these CWE weakness types: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer), CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')), CWE-269 (Improper Privilege Management), CWE-178 (Improper Handling of Case Sensitivity).

Are there public exploits for Symantec vulnerabilities?

Yes — 120 of Symantec's CVEs have a known public exploit.

How many critical Symantec vulnerabilities are there?

Symantec has 94 critical and 192 high-severity CVEs.

What is the average severity of Symantec CVEs?

The average CVSS base score across Symantec's scored CVEs is 6.6.

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598 CVEs

1 in CISA KEV

Symantec Vulnerabilities

Name: Symantec vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for Symantec.

598

Total CVEs

Published

1

In CISA KEV

Exploited in the wild

120

Public exploits

PoC or exploit code

6.6

Avg CVSS

2000–2026

Overview

Symantec has 598 published CVE records since 2000, of which 1 are in CISA's Known Exploited Vulnerabilities catalog and 120 have a known public exploit. The average CVSS base score across scored CVEs is 6.6.

This page aggregates every publicly disclosed vulnerability (CVE) affecting Symantec products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on Symantec's vulnerability posture, as a share of its 598 published CVEs.

Average CVSS: 6.6
Critical / high: 48%
Actively exploited (KEV): 0%
Public exploit available: 20%
Patch available: 17%

Severity and exploitation

How the CVSS severity of Symantec's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical94

High192

Medium271

Low41

In CISA’s Known Exploited Vulnerabilities catalog

1

One of Symantec's CVEs is confirmed exploited in the wild.

Public exploits

120

120 of Symantec's CVEs have a known public exploit available.

Most affected products

The Symantec products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

Common weakness types

The CWE weakness categories most often found in Symantec CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish Symantec CVE records.

Disclosure activity by year

How many Symantec CVEs were published each year.

2019

37

2020

35

2021

1

2022

4

2023

2

2024

5

2025

3

2026

1

Latest Symantec CVEs

The most recently disclosed vulnerabilities affecting Symantec.

CVE-2026-8501
CWE-782
High · CVSS 7.8
EPSS 0.2%2026-06-01
Symantec Endpoint Protection Elevation of Privilege
CWE-367
High · CVSS 7.5
EPSS 0.2%2025-04-30
Low vulnerability · 2025-03-05
CWE-497
Low · CVSS 2.5
EPSS 0.1%2025-03-05
High vulnerability · 2025-02-19
CWE-269
High · CVSS 7.8
EPSS 0.1%2025-02-19
Critical vulnerability · 2024-01-25
CWE-119
Critical · CVSS 9.6
EPSS 1.7%2024-01-25
Critical vulnerability · 2024-01-25
CWE-119
Critical · CVSS 10.0
EPSS 1.9%2024-01-25
Critical vulnerability · 2024-01-25
CWE-119
Critical · CVSS 10.0
EPSS 1.9%2024-01-25
Symantec Messaging Gateway Buffer Overflow
CWE-119
Critical · CVSS 10.0
EPSS 1.6%2024-01-25
Critical vulnerability · 2024-01-25
CWE-119
Critical · CVSS 10.0
EPSS 1.8%2024-01-25
Medium vulnerability · 2023-09-26
CWE-200
Medium · CVSS 6.8
EPSS 0.5%2023-09-26
Medium vulnerability · 2023-09-19
Medium · CVSS 5.4
EPSS 0.3%2023-09-19
Medium vulnerability · 2022-12-09
CWE-79
Medium · CVSS 5.4
EPSS 0.4%2022-12-09

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Frequently asked questions

Common questions about Symantec vulnerabilities.

How many CVEs does Symantec have?: Symantec has 598 published CVE records since 2000, including 4 in the last two years.
How many Symantec CVEs are in CISA KEV?: Yes — 1 of Symantec's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.
Which Symantec products have the most CVEs?: The Symantec products with the most published CVEs are Endpoint Protection, norton antivirus, endpoint protection manager, norton internet security, web gateway.
What are the most common weakness types in Symantec CVEs?: Symantec's CVEs most often map to these CWE weakness types: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer), CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')), CWE-269 (Improper Privilege Management), CWE-178 (Improper Handling of Case Sensitivity).
Are there public exploits for Symantec vulnerabilities?: Yes — 120 of Symantec's CVEs have a known public exploit.
How many critical Symantec vulnerabilities are there?: Symantec has 94 critical and 192 high-severity CVEs.
What is the average severity of Symantec CVEs?: The average CVSS base score across Symantec's scored CVEs is 6.6.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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