Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-83964

CVE-2026-83964HIGH

Adobe Connect | Improper Certificate Validation (CWE-295)

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  N  N    7.5   .0022   10.9     —

AFFECTED
  Product                           Versions     Fixed
  Adobe Connect                     unspecified  12.11.1, 12.12
  Adobe Connect Android Mobile App  unspecified  4.5

TIMELINE
  Sep 1   Reserved by adobe
  Sep 22  Published (CNA: adobe)
  Sep 25  RESCORED — CVE-2026-83964 (Adobe Connect). CVSS 6.2 → 7.5 (NVD).

CWE-295 · CNA: adobe · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 1, 2026	Reserved	Reserved by adobe
September 22, 2026	Published	Published (CNA: adobe)
September 25, 2026	RESCORED	RESCORED — CVE-2026-83964 (Adobe Connect). CVSS 6.2 → 7.5 (NVD).

Affected

Affected products and packages — 2 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Adobe	Adobe Connect	—	—	12.11.1, 12.12
Adobe	Adobe Connect Android Mobile App	—	—	4.5

Weaknesses

CWE-295

References (1)

https://helpx.adobe.com/security/products/connect/apsb26-150.html [Vendor Advisory]

Authoritative record: CVE-2026-83964 at cve.org

Vendors: adobe

Weaknesses: CWE-295

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-83964 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.