Answer in brief
CVE-2026-27303 records a Unknown severity vulnerability in Adobe Connect | Deserialization of Untrusted Data (CWE-502). The current sources do not mark it as known exploited. The current feed maps Adobe/Adobe Connect (generic), Adobe/Adobe Connect Desktop Application (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Adobe/Adobe Connect (generic), Adobe/Adobe Connect Desktop Application (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Adobe/Adobe Connectgeneric | 0 | Not reported |
| Adobe/Adobe Connect Desktop Applicationgeneric | 0 | Not reported |
Published upstream
Apr 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 27, 2026
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.
Quoted source text, attributed separately from HOL analysis.