How severe is CVE-2014-9163?

CVE-2014-9163 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2014-9163 being actively exploited?

Yes. CVE-2014-9163 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-04-13, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2014-9163?

CVE-2014-9163 affects Adobe Flash Player. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-9163?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2014-9163 have an EU (EUVD) identifier?

Yes. CVE-2014-9163 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2014-8988. It is also flagged as exploited in the EUVD (since 2022-04-13).

When was CVE-2014-9163 published?

CVE-2014-9163 was published on 2014-12-10 and last updated on 2026-06-17.

CVE-2014-9163

CVE-2014-9163 is a high-severity vulnerability in Adobe Flash Player with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-04-13). The underlying weakness is classified as CWE-121.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 10.0
EPSS exploit prediction: 20% (97th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-04-13)
EU (EUVD) id: EUVD-2014-8988
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-04-13)
Weakness: CWE-121
Affected product: Adobe Flash Player
Published: 2014-12-10
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2014-9163?: CVE-2014-9163 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2014-9163 being actively exploited?: Yes. CVE-2014-9163 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-04-13, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2014-9163?: CVE-2014-9163 affects Adobe Flash Player. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-9163?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2014-9163 have an EU (EUVD) identifier?: Yes. CVE-2014-9163 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2014-8988. It is also flagged as exploited in the EUVD (since 2022-04-13).
When was CVE-2014-9163 published?: CVE-2014-9163 was published on 2014-12-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*

More vulnerabilities in Adobe Flash Player

CVE-2015-8459 — Critical (CVSS 10.0): Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on…
CVE-2015-8457 — Critical (CVSS 10.0): Stack-based buffer overflow in Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and…
CVE-2015-8455 — Critical (CVSS 10.0): Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and OS X and before 11.2.202.554 on…
CVE-2015-8454 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and…
CVE-2015-8452 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and…
CVE-2015-8451 — Critical (CVSS 10.0): Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and OS X and before 11.2.202.554 on…

All CVEs affecting Adobe Flash Player →

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities

CVE-2026-12848 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-12847 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-12846 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-12485 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-37541 — Critical (CVSS 10.0): Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_gvret.cpp, the length…
CVE-2026-42996 — Critical (CVSS 10.0): JS8Call through 2.3.1 and JS8Call-improved before 3.0 have a stack-based buffer overflow via a radio transmission of…

Browse all CWE-121 (Stack-based Buffer Overflow) vulnerabilities →