Adobe Connect: Incorrect authorization leads to privilege escalation
Summary
Adobe Connect contains an Incorrect Authorization flaw (CWE-863) that can lead to privilege escalation, according to Adobe's CVE record. Adobe rates the issue critical (CVSS 3.1 base score 9.1) and says it could give an attacker elevated access to sensitive information or functionality. The vector indicates the flaw is reachable over the network without privileges or user interaction, but the exact preconditions are not yet confirmed by the Adobe bulletin, which was not retrieved.
Affected
- Adobe Connect 12.12 and earlier (Windows, per Adobe bulletin APSB26-191)
- CVE record ranges: affected 0 to <=12.8, <=12.9, <=12.10, <=12.11 and <=12.12
Fixed in
- Adobe Connect 12.12.a
- Adobe Connect 12.11.i
- Adobe Connect 12.10.f
- Adobe Connect 12.9.a
- Adobe Connect 12.8.a
Workaround
- No vendor workaround known.
- Restrict network access to Adobe Connect servers (VPN or allow-listing for self-hosted instances).
Exploitation
- Adobe is not aware of any exploits in the wild for the issues in APSB26-191.
- Not listed in CISA KEV and no public exploit code found as of 10 Nov 2026 (based on third-party data from the publication day).
Our recommendation
- Update self-hosted Adobe Connect installations to the fixed version for your release line (12.8.a, 12.9.a, 12.10.f, 12.11.i or 12.12.a) as soon as possible.
- Until patched, limit who can reach the Connect server and review admin and role assignments.
- Check logs for unexpected role or permission changes and recheck CISA KEV over the coming days.
- If you use only Adobe-hosted Connect, confirm the update status with Adobe.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Adobe Security Bulletin APSB26-191 www.adobe.com
- Strix CVE page CVE-2026-121355 www.strix.ai
- OffSeq CVE page CVE-2026-121355 radar.offseq.com
- ZDI November 2026 security update review www.zerodayinitiative.com
- Adobe Security Bulletin APSB26-150 (prior bulletin) helpx.adobe.com
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 10 Nov 2026, 23:37.
Original description (NVD)
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.
NVD references (1)
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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