Is CVE-2014-0497 being actively exploited?

Yes. CVE-2014-0497 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on September 17, 2024.

What is the CVSS score for CVE-2014-0497?

CVE-2014-0497 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2014-0497

CRITICAL · CVSS 9.8CISA KEV: actively exploitedEPSS 99.9%EU EUVD: exploited

Integer underflow in Adobe Flash Player before 11.7.700.261 and 11.8.x through 12.0.x before 12.0.0.44 on Windows and Mac OS X, and before 11.2.202.336 on Linux, allows remote attackers to execute arbitrary code via unspecified vectors.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-191
EPSS score: 99.9% (100th percentile)
In CISA KEV: Yes, added September 17, 2024
In EU EUVD: Yes (EUVD-2014-0528)
Published: February 5, 2014
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Adobe Flash Player Integer Underflow Vulnerablity

Added to the KEV catalog on September 17, 2024; federal remediation due October 8, 2024.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-0528 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 22, 2025.

View on the EU Vulnerability Database

Affected products

adobe / flash player
apple / mac os x
apple / macos
google / chrome
google / chrome os
linux / linux kernel
linux / linux kernel
microsoft / windows
opensuse / opensuse
opensuse / opensuse
opensuse / opensuse
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux workstation
redhat / enterprise linux workstation
suse / linux enterprise desktop
suse / linux enterprise desktop

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical

References

http://googlechromereleases.blogspot.com/2014/02/stable-channel-update.html(Release Notes)
http://helpx.adobe.com/security/products/flash-player/apsb14-04.html(Broken Link, Patch, Vendor Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00000.html(Mailing List)
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00001.html(Mailing List)
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00006.html(Mailing List)
http://rhn.redhat.com/errata/RHSA-2014-0137.html(Third Party Advisory)
http://secunia.com/advisories/56437(Broken Link, Third Party Advisory)
http://secunia.com/advisories/56737(Broken Link, Third Party Advisory)
http://secunia.com/advisories/56780(Broken Link, Third Party Advisory)
http://secunia.com/advisories/56799(Broken Link, Third Party Advisory)
http://secunia.com/advisories/56839(Broken Link, Third Party Advisory)
http://www.exploit-db.com/exploits/33212(Third Party Advisory, VDB Entry)
http://www.osvdb.org/102849(Broken Link)
http://www.securityfocus.com/bid/65327(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1029715(Broken Link, Third Party Advisory, VDB Entry)
https://exchange.xforce.ibmcloud.com/vulnerabilities/90884(Third Party Advisory, VDB Entry)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0497(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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