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PatchSiren cyber security CVE debrief

CVE-2014-0546 Adobe CVE debrief

CVE-2014-0546 is an Adobe Reader and Acrobat sandbox bypass vulnerability that CISA included in its Known Exploited Vulnerabilities catalog. For defenders, the key takeaway is that Adobe Reader and Acrobat deployments should be treated as patch-priority software, with remediation aligned to vendor guidance and the KEV due date.

Vendor
Adobe
Product
Reader and Acrobat
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-05-25
Original CVE updated
2022-05-25
Advisory published
2022-05-25
Advisory updated
2022-05-25

Who should care

Security teams, endpoint administrators, and application owners responsible for Adobe Reader and Acrobat across employee workstations, virtual desktops, and any system that opens untrusted PDFs.

Technical summary

The vulnerability is described as a sandbox bypass in Adobe Reader and Acrobat. A sandbox bypass weakens the protection boundary intended to contain untrusted document content, so even without a public exploit narrative here, the issue is significant because it reduces a core defense layer around PDF processing. CISA’s KEV entry identifies the product, vulnerability name, date added, and required action, indicating the issue is operationally important for remediation planning.

Defensive priority

High. CISA’s KEV inclusion means this vulnerability has been judged to be known exploited, so remediation should be prioritized over routine maintenance patching.

Recommended defensive actions

  • Apply Adobe updates per vendor instructions.
  • Inventory Adobe Reader and Acrobat installations and confirm the affected versions are remediated.
  • Use the CISA KEV due date (2022-06-15) as the remediation deadline for affected systems.
  • Prioritize endpoints that regularly open external or untrusted PDF content.
  • Validate remediation after patching and monitor for any residual exposed installations.

Evidence notes

Primary evidence is the CISA Known Exploited Vulnerabilities entry for Adobe Reader and Acrobat, which names the vulnerability as a sandbox bypass and provides the required action and due date. Supporting official lookup links are provided for the CVE record and NVD detail page, but this debrief relies only on the supplied corpus and catalog metadata.

Official resources

Publicly disclosed and later added to CISA’s Known Exploited Vulnerabilities catalog on 2022-05-25; the catalog entry lists a remediation due date of 2022-06-15.