ACTIVELY EXPLOITED
CVE-2018-4878: Adobe Flash Player Use-After-Free Vulnerability
| Vendor | Adobe |
|---|---|
| Product | Flash Player |
| Actively exploited | Yes |
| Added to CISA KEV | 3 Nov 2021 |
| CISA federal deadline | 3 May 2022 |
| Ransomware use | Known |
| Weakness (CWE) | CWE-416 |
Required action (CISA's text)
The impacted product is end-of-life and should be disconnected if still in use.
Description (NVD)
Adobe Flash Player contains a use-after-free vulnerability that could allow for code execution.
SOURCES
Other Adobe flaws
- CVE-2026-48356: Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability
- CVE-2026-71362: Adobe Commerce and Magento Incorrect Authorization Vulnerability
- CVE-2026-75650: Adobe Commerce and Magento Improper Neutralization of Special Elements Used in a Template Engine Vulnerability
- CVE-2026-48282: Adobe ColdFusion Path Traversal Vulnerability
- CVE-2009-3459: Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.