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PatchSiren cyber security CVE debrief

CVE-2026-47909 Adobe CVE debrief

CVE-2026-47909 is an Improper Input Validation vulnerability in Adobe Dreamweaver Desktop versions 21.7 and earlier. This vulnerability could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.

Vendor
Adobe
Product
Dreamweaver
CVSS
MEDIUM 6.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-08-28
Advisory published
2026-06-09
Advisory updated
2026-08-28

Who should care

Users of Adobe Dreamweaver Desktop versions 21.7 and earlier should apply the necessary updates to prevent exploitation of this vulnerability.

Technical summary

The vulnerability is caused by improper input validation in Adobe Dreamweaver Desktop versions 21.7 and earlier. This allows an attacker to perform an arbitrary file system read, potentially leading to the access of sensitive files and directories outside the intended scope.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply updates to Adobe Dreamweaver Desktop to version 21.8 or later.
  • Ensure users are aware of the risks and do not open malicious files.

Evidence notes

The vulnerability has a CVSS score of 6.3 and is classified as MEDIUM severity.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47909 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47909

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-47909 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47909

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.