PatchTheCVECVE-2018-4920: Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability
CVE-2018-4920 is a high-severity flaw (CVSS 8.8) affecting flash player desktop runtime, flash player, flash player. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Why this priority
- High severity
- EPSS top 5%: very likely to be exploited
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 7.6% (top 5%) |
| CISA exploited list | No |
| Weakness | CWE-843 |
| Published | 2018-05-19 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2018-4920?
flash player desktop runtime: upgrade to newer than 28.0.0.161; flash player: upgrade to newer than 28.0.0.161; flash player: upgrade to newer than 28.0.0.161. Exact commands for each OS are on this page.
Is CVE-2018-4920 being exploited?
CVE-2018-4920 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2018-4920 affect?
CVE-2018-4920 affects flash player desktop runtime, flash player, flash player. Severity is high (CVSS 8.8). Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.
How urgent is CVE-2018-4920?
Priority 54/100. High severity; EPSS top 5%: very likely to be exploited
Software pages
Related CVEs
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