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Actively exploited

CVE-2012-0767 Adobe Flash Player Cross-Site Scripting (XSS) Vulnerability

Adobe Flash Player contains a XSS vulnerability that allows remote attackers to inject web script or HTML.

From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.

Our Assessment

Should You Worry?

Patch urgentlyCybergen assessment
  • CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 8 Jun 2022.
  • Rated Medium severity (CVSS 6.1, scored by CISA).
  • It has been in the catalogue for 1,612 days. Systems still unpatched now have almost certainly been scanned for it.
The Vulnerability

What It Is

Cross-site scripting (XSS) vulnerability in Adobe Flash Player before 10.3.183.15 and 11.x before 11.1.102.62 on Windows, Mac OS X, Linux, and Solaris; before 11.1.111.6 on Android 2.x and 3.x; and before 11.1.115.6 on Android 4.x allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, aka "Universal XSS (UXSS)," as exploited in the wild in February 2012.

From Watch to Action

What To Do Now

  1. 1

    Find it

    Search your asset inventory and external attack surface for Adobe Flash Player. Include cloud images, appliances and anything a supplier runs for you.

    Attack Surface Management
  2. 2

    Fix it

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

    Vulnerability Management
  3. 3

    Hunt for compromise

    If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.

    Incident Response
  4. 4

    Prove it is fixed

    Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.

    Penetration Testing

Vendor Advisories

Regulation

The Compliance Clock

Cyber EssentialsCyber Essentials requires high and critical updates (CVSS 7.0 or above) within 14 days of release. Treat any exploited flaw the same way.NIS2If exploitation causes a significant incident, essential and important entities owe their CSIRT an early warning within 24 hours and a notification within 72 hours.DORAFinancial entities must classify ICT incidents and send an initial notification for a major incident within strict deadlines, with exploited flaws a common cause.US federal (BOD 22-01)Federal civilian agencies had until 22 Jun 2022 to remediate. A sensible benchmark for everyone else.

General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.

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More Exploited Adobe Flaws

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Not Sure If You Are Exposed?

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Evidence

Sources

  1. CISA Known Exploited Vulnerabilities catalogue
  2. NVD: CVE-2012-0767
  3. CVE record: CVE-2012-0767
  4. FIRST EPSS
  5. lists.opensuse.org/opensuse-security-announce/2012-02/msg00014.html
  6. security.gentoo.org/glsa/glsa-201204-07.xml
  7. secunia.com/advisories/48265
  8. adobe.com/support/security/bulletins/apsb12-03.html
  9. oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14806
  10. rhn.redhat.com/errata/RHSA-2012-0144.html
  11. oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15933
  12. secunia.com/advisories/48819