Vulnerability details

CVE-2026-121887

Adobe Connect

Adobe Connect | Improper Restriction of XML External Entity Reference ('XXE') (CWE-611)

CVSS 3.1
9.9Critical

Official 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.

CVSS scores

ScoreVersionSourceVector
9.9Critical 3.1 CVEProject cvelistV5 (CNA) (adobe) CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Adobe Adobe Connect v ≤ 12.8 CVEProject cvelistV5 (CNA)
Adobe Adobe Connect v ≤ 12.9 CVEProject cvelistV5 (CNA)
Adobe Adobe Connect v ≤ 12.10 CVEProject cvelistV5 (CNA)
Adobe Adobe Connect v ≤ 12.11 CVEProject cvelistV5 (CNA)
Adobe Adobe Connect v ≤ 12.12 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-11-11
Last updated
2026-11-11
State
Published
Assigner (CNA)
adobe
Kolun priority
37 · Medium

Exploit prediction (EPSS)

1.22%
Probability of exploitation in 30 days
69.1%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-611
    Improper Restriction of XML External Entity Reference ('XXE') (CWE-611)