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CVE-2026-34615

Adobe Connect insecure deserialization

9.3 CRITICALEPSS 1.76%
  1. Published14 Apr 2026

Description

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Affected products

Adobe Connect< 12.11
Adobe Connect Desktop Application≤ 2025.3 · < 2025.9.15

Remediation

Fixed in
Adobe Connect≥ 12.11
Adobe Connect Desktop Application≥ 2025.9.15

References

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Frequently asked

Is CVE-2026-34615 being actively exploited?

CVE-2026-34615 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.76%.

How severe is CVE-2026-34615?

CVE-2026-34615 has a CVSS 3.1 base score of 9.3, rated critical. EPSS estimates a 1.76% probability of exploitation.

Which products are affected by CVE-2026-34615?

Affected products include Adobe Connect, Adobe Connect Desktop Application.

How do I fix CVE-2026-34615?

Upgrade affected software to a fixed version, for example Adobe Connect 12.11, Adobe Connect Desktop Application 2025.9.15 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-34615 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.