CVE-2018-5002 Adobe Flash Player Stack-based Buffer Overflow Vulnerability
Adobe Flash Player have a stack-based buffer overflow vulnerability that could lead to remote code execution.
From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.
Should You Worry?
- CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 23 May 2022.
- Rated High severity (CVSS 7.8, scored by CISA).
- It has been in the catalogue for 1,628 days. Systems still unpatched now have almost certainly been scanned for it.
What It Is
Adobe Flash Player versions 29.0.0.171 and earlier have a Stack-based buffer overflow vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Affected Versions
| Product | Versions |
|---|---|
| Adobe Flash Player 29.0.0.171 and earlier versions | Adobe Flash Player 29.0.0.171 and earlier versions |
From the public CVE record, as supplied by the vendor. Always confirm against the vendor advisory.
What To Do Now
- 1
Find it
Search your asset inventory and external attack surface for Adobe Flash Player. Include cloud images, appliances and anything a supplier runs for you.
Attack Surface Management - 2
Fix it
The impacted product is end-of-life and should be disconnected if still in use.
Vulnerability Management - 3
Hunt for compromise
If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.
Incident Response - 4
Prove it is fixed
Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.
Penetration Testing
Vendor Advisories
The Compliance Clock
General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.
Not Sure If You Are Exposed?
Our attack surface and vulnerability teams can check your internet-facing estate for CVE-2018-5002 and every other exploited flaw on the list.