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CVE-2026-48343 Adobe CVE debrief

CVE-2026-48343 is an out-of-bounds write vulnerability in Adobe Bridge that could result in arbitrary code execution in the context of the current user. This vulnerability requires user interaction, as a victim must open a malicious file. The vulnerability has a CVSS score of 7.8, indicating a high severity level. Affected users should apply patches from Adobe for Adobe Bridge versions prior to 15.1.5 or 16.0.3. The vulnerability was publicly disclosed and affects Adobe Bridge, potentially leading to arbitrary code execution.

Vendor
Adobe
Product
Bridge
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-14
Original CVE updated
2026-08-28
Advisory published
2026-07-14
Advisory updated
2026-08-28

Who should care

Users of Adobe Bridge versions prior to 15.1.5 or 16.0.3 should apply the necessary patches to prevent potential arbitrary code execution. This includes administrators and users who interact with Adobe Bridge in their daily operations. The vulnerability's high severity level and potential impact on affected systems make it crucial for users to take action.

Technical summary

The vulnerability, tracked as CVE-2026-48343, is an out-of-bounds write issue in Adobe Bridge. A user must open a malicious file for exploitation to occur, leading to potential arbitrary code execution in the user's context. The CVSS score for this vulnerability is 7.8, indicating a high severity level. The vulnerability affects Adobe Bridge versions prior to 15.1.5 or 16.0.3.

Defensive priority

High priority should be given to patching Adobe Bridge installations, as the vulnerability can lead to arbitrary code execution. Immediate action is necessary to prevent potential attacks.

Recommended defensive actions

  • Apply patches from Adobe for Adobe Bridge versions prior to 15.1.5 or 16.0.3.
  • Restrict user access to untrusted files.
  • Implement monitoring for suspicious file openings in Adobe Bridge.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE record for CVE-2026-48343 was published on 2026-07-14T21:17:00.217Z and was last modified on 2026-07-16T19:07:57.610Z. The NVD entry is currently Analyzed. This information is based on the NVD entry and the official CVE record. The vulnerability affects Adobe Bridge, and its exploitation requires user interaction. The CVSS score for this vulnerability is 7.8, indicating a high severity level. There are no known ransomware campaigns using this vulnerability. The vendor, Adobe, has provided patches for affected versions prior to 15.1.5 or 16.0.3.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48343 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48343

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

  • CVE-2026-48343 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48343

    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.