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CVE-2026-83964

MEDIUM 6.2 ALL-YEARS

Published 2026-09-22 · Last modified 2026-09-26 · adobe · NVD: Analyzed

Adobe Connect is affected by an Improper Certificate Validation vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue does not require user interaction.

LIMITED SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 11th percentile

○ In CISA KEV○ Public exploit / PoC◆ SSVC: exploitation none, automatable yes

Impact if exploited

6.2CVSS 3.1 · MEDIUM · CNA

  • ConfidentialityHigh
  • IntegrityNone
  • AvailabilityNone

What an attacker needs

  • ⚠Access: Requires local access to the host
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

No public exploit or proof-of-concept code is catalogued for this CVE (no ExploitDB, Nuclei, or CISA-KEV entry). It may still exist — search GitHub or check the references below.

Affected

Vendors Adobe Apple Microsoft

Products Adobe Connect Adobe Connect Android Mobile App Connect Macos Windows Connect For Mobile

Weakness (CWE)

  • CWE-295: Improper Certificate Validation (CWE-295)

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Known Affected Software Configurations

VendorProductVersion range
AdobeConnect< 12.12
AdobeConnect For Mobile< 4.5

All CVSS metrics

  • MEDIUM 6.2 v3.1 · CNA Primary
    CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • MEDIUM 6.2 v3.1 · NVD Secondary
    CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • HIGH 7.5 v3.1 · NVD Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Advisories

Sources: NVD · CVE.org · EPSS