CVE-2015-8651: in the CISA KEV catalogue
Adobe Flash Player Integer Overflow Vulnerability. CISA added CVE-2015-8651 to the Known Exploited Vulnerabilities catalogue on 2022-05-25 with a default due date of 2022-06-15. Known ransomware campaign use: Unknown. Forensic triage flag: No.
Integer overflow in Adobe Flash Player allows attackers to execute code. (CISA description)
- Vendor / product
- Adobe Flash Player
- CWE
- CWE-189
- CISA required action
- The impacted product is end-of-life and should be disconnected if still in use.
- EPSS
- 68%, percentile 99 (scored 2026-11-04)
EPSS puts about 68 in 100 odds (68%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2015-8651 in the CISA KEV catalogue?
Yes. CISA added CVE-2015-8651 (Adobe Flash Player Integer Overflow Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2022-05-25. CISA's default due date for it is 2022-06-15.
Is CVE-2015-8651 used in ransomware attacks?
CISA marks known ransomware campaign use as Unknown for CVE-2015-8651. That means CISA lacks confirmation, not that ransomware groups do not use it.
What should I do about CVE-2015-8651?
CISA's required action: The impacted product is end-of-life and should be disconnected if still in use.
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2015-8651