CVE-2026-121887
Adobe Connect | Improper Restriction of XML External Entity Reference ('XXE') (CWE-611)
Description
Adobe Connect is affected by an Improper Restriction of XML External Entity Reference ('XXE') 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.
INFO
Published Date :
Nov. 10, 2026, 9:30 p.m.
Last Modified :
Nov. 10, 2026, 9:30 p.m.
Remotely Exploit :
Yes !
Source :
adobe
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 078d4453-3bcd-4900-85e6-15281da43538 | ||||
| CVSS 3.1 | CRITICAL | MITRE-CVE |
Solution
- Update Adobe Connect to the latest version.
- Apply vendor-supplied security patches promptly.
- Review system configurations for XXE mitigation.
- Monitor for exploitation attempts.
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CVE-2026-121887 vulnerability anywhere in the article.