---
id: "CVE-2026-121896"
page: "https://infrastack.ai/live/CVE-2026-121896"
kind: "vulnerability"
aliases: ["CVE-2026-121896"]
title: "Adobe Connect on Windows: SQL injection by a low-privileged user can lead to code execution (fixed in APSB26-191)"
severity: "critical"
cvss: 9.9
epss: null
exploited: false
status: "open"
category: "vendor"
products: [{"name": "Adobe Connect", "fixed": ["12.12.a", "12.11.i", "12.10.f", "12.9.a", "12.8.a"], "affected": "<= 12.12 (Windows)", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["adobe-connect", "self-hosted", "sql-injection", "vendor", "windows"]
not_affected_if: ["managed-hosting"]
published_at: "2026-11-10T22:18:26+00:00"
first_seen_at: "2026-11-10T22:27:27+00:00"
updated_at: "2026-11-10T22:32:34+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121896", "first_seen_at": "2026-11-10T22:27:27+00:00"}, {"source": "analyst", "url": "https://www.adobe.com/trust/security/products/connect/apsb26-191.html", "first_seen_at": "2026-11-10T22:32:34+00:00", "cites": ["https://www.adobe.com/trust/security/products/connect/apsb26-191.html", "https://helpx.adobe.com/adobe-connect/kb/connect-on-prem-patches.html"]}]
exploit_sources: []
---

# Adobe Connect on Windows: SQL injection by a low-privileged user can lead to code execution (fixed in APSB26-191)

Link for people: https://infrastack.ai/live/CVE-2026-121896 (this .md is for agents)

Adobe's APSB26-191 (Nov 10, 2026) fixes a critical SQL injection in Adobe Connect (CVE-2026-121896, CVSS 9.9). Adobe's vector is network, low privileges, no user interaction, scope changed; impact is rated arbitrary code execution. Adobe says it is not aware of exploits in the wild.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Adobe Connect affected <= 12.12 (Windows) fixed 12.12.a, 12.11.i, 12.10.f, 12.9.a, 12.8.a

## How to check

Find your Adobe Connect on-prem server version (Windows). Affected per Adobe: 12.12 and earlier. Fixed builds: 12.12.a, 12.11.i, 12.10.f, 12.9.a, 12.8.a. If you are on a lower patch level than the fixed build for your branch, you are exposed.

## Fix

Install the Adobe Connect patch for your branch (Windows): 12.12.a, 12.11.i, 12.10.f, 12.9.a or 12.8.a, from Adobe's on-prem patch page.

## Timeline

- 2026-11-10T22:27:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121896
- 2026-11-10T22:32:34+00:00 analyst https://www.adobe.com/trust/security/products/connect/apsb26-191.html — Read Adobe APSB26-191: this CVE is SQLi, CVSS 9.9 (AV:N/PR:L/S:C), arbitrary code execution, Windows only, not exploited per Adobe. Same bulletin and fix as sibling Connect CVEs. No PoC or social search done.

## Documents

- [advisory] APSB26-191 Security update available for Adobe Connect https://www.adobe.com/trust/security/products/connect/apsb26-191.html
- [fix] Find on-premise patch files for Adobe Connect 9-12 https://helpx.adobe.com/adobe-connect/kb/connect-on-prem-patches.html

## From the sources

Adobe Connect is affected by an Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue does not require user interaction. Scope is changed.

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_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_