What is CVE-2018-5002?

CVE-2018-5002 is a high-severity vulnerability in Adobe Flash Player, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-07-09.

How severe is CVE-2018-5002?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2018-5002 known to be exploited?

Yes. CVE-2018-5002 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23), indicating it is being actively exploited. 9 public proof-of-concept repositories are indexed.

Buffer overflow in Adobe Flash Player

CVE-2018-5002

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.

Vulnerability class: Buffer Overflow

Published 2018-07-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.251 (97.9th percentile), scored 2026-10-18.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.251 · newest: 0.251 · change: 0.000

Affected products

Adobe Flash Player
Adobe Flash Player Desktop Runtime
Apple Mac OS X
Google Chrome OS
Linux Kernel
Microsoft Windows
Microsoft Windows 10
Microsoft Windows 8.1
Red Hat Enterprise Linux Desktop — versions 6.0
Red Hat Enterprise Linux Server — versions 6.0

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-05-23. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-06-13.

Required action: The impacted product is end-of-life and should be disconnected if still in use.

Public proof-of-concept exploits

References

access.redhat.com/errata/RHSA-2018:1827 (vendor-advisory, Third Party Advisory)
www.securitytracker.com/id/1041058 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
helpx.adobe.com/security/products/flash-player/apsb18-19.html (Patch, Vendor Advisory)
security.gentoo.org/glsa/201806-02 (vendor-advisory, Third Party Advisory)
www.securityfocus.com/bid/104412 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Issue Tracking)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Third Party Advisory, US Government Resource)

Frequently asked questions

What is CVE-2018-5002?: CVE-2018-5002 is a high-severity vulnerability in Adobe Flash Player, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-07-09.
How severe is CVE-2018-5002?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-5002 known to be exploited?: Yes. CVE-2018-5002 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23), indicating it is being actively exploited. 9 public proof-of-concept repositories are indexed.