CVE-2026-27303

Adobe Connect | Deserialization of Untrusted Data (CWE-502)

State
Published
Severity
9.6 Critical
Published
Apr 14, 2026
Updated
Aug 27, 2026
Reserved
Feb 18, 2026

Read the record on cve.org

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. 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.

Scores

CVSSScoreVectorSource
3.19.6 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hadobe

Weaknesses

  • CWE-502 Deserialization of Untrusted Data (CWE-502)

Affected Products

ProductVersions
Adobe ConnectAdobe
  • 12.10 and earlierAffected
  • 12.11Not affected
Adobe Connect Desktop ApplicationAdobe
  • 2025.3 and earlierAffected
  • 2025.9Not affected

References

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