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CVE-2026-48291 Adobe CVE debrief

CVE-2026-48291 is a Heap-based Buffer Overflow vulnerability affecting Adobe Format Plugins versions 1.1.2 and earlier. This vulnerability could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction, as a victim must open a malicious file. The CVSS score for this vulnerability is 7.8, with a severity rating of HIGH.

Vendor
Adobe
Product
Format Plugins
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 Format Plugins versions 1.1.2 and earlier should apply the necessary updates to mitigate this vulnerability.

Technical summary

The vulnerability is caused by a Heap-based Buffer Overflow in Adobe Format Plugins. This could allow an attacker to execute arbitrary code in the context of the current user if the user opens a malicious file.

Defensive priority

HIGH

Recommended defensive actions

  • Apply the latest updates for Adobe Format Plugins to version 1.1.3 or later.
  • Be cautious when opening files from unknown sources.

Evidence notes

The CVE record and NVD detail for CVE-2026-48291 provide additional information on this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48291 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48291

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

  • CVE-2026-48291 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48291

    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.