CVE-2018-4878
Adobe Flash Player Use-After-Free Vulnerability
Adobe Flash PlayerApplications & CMS
CVSS
7.8HighExploit odds (EPSS)89.5%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionThe impacted product is end-of-life and should be disconnected if still in use. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
- 13 Feb 2016Exploit code publicExploit-DB
- 6 Feb 2018, 20:00 UTCPublishedCVE List
- 3 Nov 2021Added to CISA KEVCISA KEV
Public exploit code and templates 3
- Remote exploitAdobe Flash < 28.0.0.161 - Use-After-Free 6 Apr 2018Exploit-DB
- Local exploitFlash ActiveX 28.0.0.137 - Code Execution (1) 16 Feb 2016Exploit-DB
- Local exploitFlash ActiveX 28.0.0.137 - Code Execution (2) 13 Feb 2016Exploit-DB
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
Adobe Flash Player contains a use-after-free vulnerability that could allow for code execution.
Text from CVE List
Affected versions 1
- Adobe Flash Player before 28.0.0.161affected: Adobe Flash Player before 28.0.0.161CVE List
References 14
- helpx.adobe.com/security/products/flash-player/apsb18-03.htmlAdvisoryvia CVE List
- access.redhat.com/errata/RHSA-2018:0285Advisoryvia CVE List
- trendmicro.com/vinfo/us/security/news/vulnerabilities-and-exploits/north-korean-hackers-allegedly-exploit-adobe-flash-player-vulnerability-cve-2018-4878-against-south-korean-targetsAdvisoryvia CVE List
- exploit-db.com/exploits/44412/Exploitvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2018-4878Referencevia CISA KEV
- threatpost.com/adobe-flash-player-zero-day-spotted-in-the-wild/129742/Referencevia CVE List
- fireeye.com/blog/threat-research/2018/02/attacks-leveraging-adobe-zero-day.htmlReferencevia CVE List
- blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaignReferencevia CVE List
- darkreading.com/threat-intelligence/adobe-flash-vulnerability-reappears-in-malicious-word-files/d/d-id/1331139Referencevia CVE List
- github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0dayReferencevia CVE List
- github.com/vysec/CVE-2018-4878Referencevia CVE List
- securingtomorrow.mcafee.com/mcafee-labs/hackers-bypassed-adobe-flash-protection-mechanism/Referencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4878Referencevia CVE List
- github.com/cisagov/vulnrichment/issues/196Referencevia CVE List