CVE-2018-4878
Adobe Flash Player Use-After-Free Vulnerability
- Published
- Feb 6, 2018
- Updated
- Nov 17, 2025
- Assigning CNA
- adobe
- Evidence observed
- Feb 13, 2016
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.
Sources
12- CVE-2018-4878Exploit
Metasploit module for CVE-2018-4878
- CVE-2018-4878Exploit
Aggressor Script to just launch IE driveby for CVE-2018-4878
Proof-of-concept exploit for CVE-2018-4878, a Use-After-Free vulnerability in Adobe Flash Player 32-bit, providing a ByteArray object for process memory modification.
Responsible use
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