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Critical severity9.6NVD Advisory· Published Apr 14, 2026· Updated Apr 28, 2026

CVE-2026-27303

CVE-2026-27303

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.

Affected products

4
  • Adobe Inc./Connect2 versions
    cpe:2.3:a:adobe:connect:*:*:*:*:*:-:*:*+ 1 more
    • cpe:2.3:a:adobe:connect:*:*:*:*:*:-:*:*range: <12.11
    • (no CPE)range: <=2025.3, <=12.10
  • Adobe Inc./Connect Desktop Application2 versions
    cpe:2.3:a:adobe:connect_desktop_application:*:*:*:*:*:macos:*:*+ 1 more
    • cpe:2.3:a:adobe:connect_desktop_application:*:*:*:*:*:macos:*:*range: <=2025.3
    • cpe:2.3:a:adobe:connect_desktop_application:*:*:*:*:*:windows:*:*range: <2025.9.15

Patches

Vulnerability mechanics

References

1

News mentions

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