---
id: "CVE-2026-121355"
page: "https://infrastack.ai/live/CVE-2026-121355"
kind: "vulnerability"
aliases: ["CVE-2026-121355"]
title: "Adobe Connect: incorrect authorization lets attackers gain elevated privileges"
severity: "critical"
cvss: 9.1
epss: null
exploited: false
status: "open"
category: "other"
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", "other", "pre-auth", "self-hosted", "windows"]
not_affected_if: []
published_at: "2026-11-10T22:18:25+00:00"
first_seen_at: "2026-11-10T22:27:26+00:00"
updated_at: "2026-11-10T22:33:37+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121355", "first_seen_at": "2026-11-10T22:27:26+00:00"}, {"source": "analyst", "url": "https://www.adobe.com/trust/security/products/connect/apsb26-191.html", "first_seen_at": "2026-11-10T22:33:37+00:00", "cites": ["https://www.adobe.com/trust/security/products/connect/apsb26-191.html", "https://nvd.nist.gov/vuln/detail/CVE-2026-121355"]}]
exploit_sources: []
---

# Adobe Connect: incorrect authorization lets attackers gain elevated privileges

Link for people: https://infrastack.ai/live/CVE-2026-121355 (this .md is for agents)

Adobe Connect has an incorrect authorization flaw (CWE-863) that lets an unauthenticated remote attacker gain elevated access to sensitive information or functionality, with no user interaction. Adobe fixed it in bulletin APSB26-191 together with many other critical Connect flaws. Adobe says it knows of no 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

Check your Adobe Connect server version (Adobe Connect admin console / About). Per APSB26-191 you are affected if you run 12.12 or earlier and have not installed the matching update: 12.12.a, 12.11.i, 12.10.f, 12.9.a or 12.8.a. Adobe's affected-platform list names Windows.

## Fix

Install the APSB26-191 update for your branch: 12.12.a, 12.11.i, 12.10.f, 12.9.a or 12.8.a (Windows).

## Timeline

- 2026-11-10T22:27:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121355
- 2026-11-10T22:33:37+00:00 analyst https://www.adobe.com/trust/security/products/connect/apsb26-191.html — Adobe APSB26-191 (Nov 10 2026) lists this as Incorrect Authorization, CVSS 9.1, no exploits known to Adobe. Affected: Connect 12.12 and earlier (Windows per bulletin). Fixed builds per branch: 12.12.a, 12.11.i, 12.10.f, 12.9.a, 12.8.a. Bulletin is one of ~30 CVEs fixed together. No social search: published today.

## Documents

- [advisory] APSB26-191 Security update available for Adobe Connect https://www.adobe.com/trust/security/products/connect/apsb26-191.html
- [describes] NVD CVE-2026-121355 https://nvd.nist.gov/vuln/detail/CVE-2026-121355

## From the sources

Adobe Connect is affected by an Incorrect Authorization vulnerability that could result in privilege escalation. An attacker could exploit this vulnerability to gain elevated access to sensitive information or functionality. Exploitation of this issue does not require user interaction.

---

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