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CVE-2026-48293 Adobe CVE debrief

CVE-2026-48293 is a HIGH-severity vulnerability (CVSS Score: 7.8) affecting Adobe InDesign versions 21.3, 20.5.3, and earlier. The vulnerability is an out-of-bounds write issue that could result in arbitrary code execution in the context of the current user. Exploitation requires user interaction, as a victim must open a malicious file.

Vendor
Adobe
Product
InDesign Desktop
CVSS
HIGH 7.8
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 versions 21.3, 20.5.3, and earlier should apply patches or updates to mitigate this vulnerability.

Technical summary

The vulnerability is caused by an out-of-bounds write issue in Adobe InDesign. This could allow an attacker to execute arbitrary code in the context of the current user if a victim opens a malicious file.

Defensive priority

HIGH

Recommended defensive actions

  • Apply patches or updates provided by Adobe to vulnerable InDesign versions.
  • Exercise caution when opening files from untrusted sources.

Evidence notes

CVE-2026-48293 was published on [cvePublishedAt] and modified on [cveModifiedAt].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48293 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48293

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

  • CVE-2026-48293 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48293

    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.