CVE-2018-4878

Adobe Flash Player — Adobe Flash Player Use-After-Free Vulnerability
⚠️ CVSS 3.1  7.8 / 10 — HIGH 🔴 CISA Known Exploited Vulnerability

Overview

Adobe Flash Player contains a use-after-free vulnerability that could allow for code execution.

https://nvd.nist.gov/vuln/detail/CVE-2018-4878

Key Details

PropertyValue
CVE ID CVE-2018-4878
Vendor / Product Adobe — Flash Player
NVD Published2018-02-06
NVD Last Modified2025-11-18
CVSS 3.1 Score7.8
CVSS 3.1 VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SeverityHIGH
CWE CWE-416
CISA KEV Added2021-11-03
CISA KEV Deadline2022-05-03
Known Ransomware Use ⚠️ Yes

CVSS 3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2022-05-03. The impacted product is end-of-life and should be disconnected if still in use.

Timeline

DateEvent
2021-11-03Added to CISA Known Exploited Vulnerabilities catalog
2022-05-03CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2018-4878 Vulnerability Database
CISA KEV Catalog Entry US Government