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major vulnerability· requires attention

Adobe Connect is widely used enterprise collaboration software; a critical (CVSS 9.3) stored XSS enabling session/account compromise across orgs warrants broad IT alerting.

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CVE-2026-75684

9.3
Critical
EPSS 0.30%Patch availableSep 24, 2026

Stored XSS in Adobe Connect allows script injection and account/session compromise.

common questions

Is CVE-2026-75684 being exploited?

Not confirmed. CVE-2026-75684 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.30% probability of exploitation in the next 30 days.

How severe is CVE-2026-75684?

CVE-2026-75684 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-75684?

Yes. A fix has been recorded for CVE-2026-75684. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-75684 affect?

CVE-2026-75684 affects Adobe Connect (server/web application). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-75684?

Apply vendor patch immediately; restrict access or isolate instances if patching is delayed.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Adobe Connect (server/web application)
impact

Stored XSS lets attackers inject JavaScript via form fields to hijack sessions, steal cookies/credentials, perform actions as users, and potentially escalate privileges.

action required

Immediate action required

affected versions
Adobe Adobe Connect
  • affected<= 12.11
vendor says fixed in12.11.1, 12.12
Adobe Adobe Connect Android Mobile App
  • affected<= 4.4
vendor says fixed in4.5

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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