What is CVE-2014-9163?

CVE-2014-9163 is a high-severity vulnerability in Adobe Flash Player, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2014-12-10.

How severe is CVE-2014-9163?

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

Is CVE-2014-9163 known to be exploited?

Yes. CVE-2014-9163 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-13), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.

Buffer overflow in Adobe Flash Player

CVE-2014-9163

Stack-based buffer overflow in Adobe Flash Player before 13.0.0.259 and 14.x and 15.x before 15.0.0.246 on Windows and OS X and before 11.2.202.425 on Linux allows attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in December 2014.

Vulnerability class: Buffer Overflow

Published 2014-12-10 · 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: 0.207 (97.5th percentile), scored 2026-10-18.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.207 · newest: 0.207 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-04-13. 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: 2022-05-04.

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

Public proof-of-concept exploits

References

helpx.adobe.com/security/products/flash-player/apsb14-27.html (Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Issue Tracking)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2014-9163?: CVE-2014-9163 is a high-severity vulnerability in Adobe Flash Player, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2014-12-10.
How severe is CVE-2014-9163?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2014-9163 known to be exploited?: Yes. CVE-2014-9163 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-13), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.