What is CVE-2018-15982?

CVE-2018-15982 is a high-severity vulnerability in Adobe Flash Player, classified under Use After Free. CVSS score: 7.8/10. Published 2019-01-18.

How severe is CVE-2018-15982?

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

Is CVE-2018-15982 known to be exploited?

Yes. CVE-2018-15982 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-15), indicating it is being actively exploited. 50 public proof-of-concept repositories are indexed.

Use After Free in Adobe Flash Player

CVE-2018-15982

Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have a use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

Vulnerability class: Use-After-Free

Published 2019-01-18 · last modified 2026-10-01.

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: 0.896 (99.8th percentile), scored 2026-10-15.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.891 · newest: 0.896 · change: +0.004

Affected products

Adobe Flash Player
Adobe Flash Player Installer
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)

CWE-416 — Use After Free

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-02-15. 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: 2022-08-15.

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

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

access.redhat.com/errata/RHSA-2018:3795 (vendor-advisory, Third Party Advisory)
helpx.adobe.com/security/products/flash-player/apsb18-42.html (Patch, Vendor Advisory)
www.exploit-db.com/exploits/46051/ (Exploit, VDB Entry, Third Party Advisory, exploit)
www.securityfocus.com/bid/106116 (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-2018-15982?: CVE-2018-15982 is a high-severity vulnerability in Adobe Flash Player, classified under Use After Free. CVSS score: 7.8/10. Published 2019-01-18.
How severe is CVE-2018-15982?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-15982 known to be exploited?: Yes. CVE-2018-15982 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-15), indicating it is being actively exploited. 50 public proof-of-concept repositories are indexed.