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CVE-2026-34704 Adobe CVE debrief

CVE-2026-34704 is a NULL Pointer Dereference vulnerability affecting Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier. This vulnerability could lead to an application denial-of-service. An attacker could exploit this issue by getting a victim to open a malicious file, resulting in a denial-of-service condition. The CVSS score for this vulnerability is 5.5, with a severity rating of MEDIUM.

Vendor
Adobe
Product
InDesign Desktop
CVSS
MEDIUM 5.5
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 InDesign Desktop versions 21.3, 20.5.3, and earlier should apply the necessary updates to mitigate this vulnerability.

Technical summary

The vulnerability exists in the following versions: Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier. The CWE for this vulnerability is CWE-476.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply the necessary updates as recommended by Adobe.
  • Be cautious when opening files from untrusted sources.

Evidence notes

The CVE was published on 2026-06-09T18:16:42.583Z and modified on 2026-06-10T13:01:24.790Z. The vulnerability has a CVSS score of 5.5 and a severity rating of MEDIUM.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-34704 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-34704

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

  • CVE-2026-34704 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-34704

    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.