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CVE-2026-75684 Adobe CVE debrief

CVE-2026-75684 is a stored Cross-Site Scripting (XSS) vulnerability in Adobe Connect that could allow an attacker to inject malicious scripts into vulnerable form fields. This vulnerability, with a CVSS score of 9.3, is considered critical and has been analyzed by the NVD. The CVE record was published on 2026-09-22T19:16:46.393Z and was last modified on 2026-09-25T18:20:01.003Z. The NVD entry is currently Analyzed.

Vendor
Adobe
Product
Adobe Connect
CVSS
CRITICAL 9.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-22
Original CVE updated
2026-09-25
Advisory published
2026-09-22
Advisory updated
2026-09-25

Who should care

Defenders responsible for Adobe Connect installations, particularly those with versions prior to 12.12 or 4.5 for mobile, should assess exposure and prioritize patching. IT teams and security personnel managing Adobe Connect should verify and apply the vendor's patch, monitor for potential malicious activity, and review inventory to ensure all instances are patched.

Why it matters

CVE-2026-75684 is a critical stored XSS vulnerability in Adobe Connect that requires immediate attention from defenders. The vulnerability has a CVSS score of 9.3 and affects Adobe Connect versions prior to 12.12 and 4.5 for mobile. Defenders should prioritize patching, monitoring, and inventory review to prevent potential exploitation.

  • Potential for attackers to inject malicious scripts into vulnerable form fields, leading to elevated access or control over victim's account or session.
  • Need for defenders to verify and apply the vendor's patch for Adobe Connect versions prior to 12.12 and 4.5 for mobile.
  • Importance of monitoring for potential malicious activity and implementing additional security measures to prevent exploitation.

Technical summary

The CVE-2026-75684 vulnerability is a stored Cross-Site Scripting (XSS) issue in Adobe Connect that could allow an attacker to inject malicious scripts into vulnerable form fields. The vulnerability has a CVSS score of 9.3 and is considered critical. Affected versions include Adobe Connect prior to 12.12 and Adobe Connect for Mobile prior to 4.5. Defenders should prioritize verifying and applying the vendor's patch, as well as monitoring for potential malicious activity. The CVE record and NVD analysis provide details on the vulnerability, its CVSS score, and affected versions of Adobe Connect.

Defensive priority

Defenders should prioritize verifying and applying the vendor's patch for Adobe Connect versions prior to 12.12 and 4.5 for mobile, as well as monitoring for potential malicious activity.

Recommended defensive actions

  • Verify and apply the vendor's patch for Adobe Connect versions prior to 12.12 and 4.5 for mobile.
  • Monitor for potential malicious activity and implement additional security measures to prevent exploitation.
  • Review and update inventory of Adobe Connect installations to ensure all instances are patched.
  • Confirm whether affected Adobe Connect deployments exist in managed environments and assign an owner for follow-up.
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE record and NVD analysis provide details on the vulnerability, its CVSS score, and affected versions of Adobe Connect. However, additional information on potential exploitation or impact is limited.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-75684 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-75684

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

  • CVE-2026-75684 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-75684

    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.