CVE-2026-83964— Adobe Connect | Improper Certificate Validation (CWE-295)
Quick assessment
Affected
Adobe Adobe Connect
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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 i
Affected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Adobe | Adobe Connect | ≤ 12.11 |
affected |
12.11.1, 12.12 |
unaffected | ||
| Adobe | Adobe Connect Android Mobile App | ≤ 4.4 |
affected |
4.5 |
unaffected |
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I. Basic Information for CVE-2026-83964
Vulnerability Information
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Vulnerability Title
Adobe Connect | Improper Certificate Validation (CWE-295)
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Adobe | Adobe Connect | 0 ~ 12.11 | - |
|
| Adobe | Adobe Connect Android Mobile App | 0 ~ 4.4 | - |
|
II. Public POCs for CVE-2026-83964
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-83964 (1)
Same Patch Batch · Adobe · 2026-09-22 · 53 CVEs total
| CVE-2026-75745 | 10.0 CRITICAL | Adobe Experience Manager Forms JEE | Incorrect Authorization (CWE-863) |
| CVE-2026-84412 | 10.0 CRITICAL | Adobe Campaign Classic (ACC) | Improper Control of Generation of Code ('Code Injection') ( |
| CVE-2026-75721 | 10.0 CRITICAL | Adobe Campaign Classic (ACC) | Improper Control of Generation of Code ('Code Injection') ( |
| CVE-2026-75723 | 10.0 CRITICAL | Adobe Campaign Classic (ACC) | Incorrect Authorization (CWE-863) |
| CVE-2026-73369 | 10.0 CRITICAL | Adobe Campaign Classic (ACC) | Improper Control of Generation of Code ('Code Injection') ( |
| CVE-2026-75699 | 10.0 CRITICAL | Adobe Campaign Classic (ACC) | Improper Control of Generation of Code ('Code Injection') ( |
| CVE-2026-75703 | 10.0 CRITICAL | Adobe Campaign Classic (ACC) | Improper Control of Generation of Code ('Code Injection') ( |
| CVE-2026-89275 | 10.0 CRITICAL | Adobe Campaign Classic (ACC) | Improper Control of Generation of Code ('Code Injection') ( |
| CVE-2026-82010 | 9.9 CRITICAL | Adobe Campaign Classic (ACC) | Improper Neutralization of Special Elements used in an SQL |
| CVE-2026-82008 | 9.9 CRITICAL | Adobe Campaign Classic (ACC) | Improper Input Validation (CWE-20) |
| CVE-2026-75682 | 9.9 CRITICAL | Adobe Connect | Improper Neutralization of Special Elements used in an SQL Command ('SQL I |
| CVE-2026-82013 | 9.9 CRITICAL | Adobe Campaign Classic (ACC) | Server-Side Request Forgery (SSRF) (CWE-918) |
| CVE-2026-83660 | 9.9 CRITICAL | Adobe Campaign Classic (ACC) | Server-Side Request Forgery (SSRF) (CWE-918) |
| CVE-2026-89276 | 9.9 CRITICAL | Adobe Campaign Classic (ACC) | Improper Control of Generation of Code ('Code Injection') ( |
| CVE-2026-82000 | 9.6 CRITICAL | Adobe Experience Manager Forms JEE | Server-Side Request Forgery (SSRF) (CWE-918) |
| CVE-2026-82443 | 9.6 CRITICAL | Adobe Campaign Classic (ACC) | Server-Side Request Forgery (SSRF) (CWE-918) |
| CVE-2026-75684 | 9.3 CRITICAL | Adobe Connect | Cross-site Scripting (Stored XSS) (CWE-79) |
| CVE-2026-75697 | 9.3 CRITICAL | Adobe Connect | Cross-site Scripting (Stored XSS) (CWE-79) |
| CVE-2026-75689 | 9.3 CRITICAL | Adobe Connect | Cross-site Scripting (Stored XSS) (CWE-79) |
| CVE-2026-75698 | 9.3 CRITICAL | Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79) |
Showing top 20 of 53 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Adobe Connect
-
CVE-2026-75689
Adobe Connect | Cross-site Scripting (Stored XSS) (CWE-79) -
CVE-2026-34689
Adobe Connect | Improper Limitation of a Pathname to a Restr -
CVE-2026-75686
Adobe Connect | Improper Input Validation (CWE-20) -
CVE-2026-75682
Adobe Connect | Improper Neutralization of Special Elements -
CVE-2026-75698
Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79
Same vendor: Adobe
-
CVE-2026-84395
Premiere Pro | Server-Side Request Forgery (SSRF) (CWE-918) -
CVE-2026-83963
Substance3D - Modeler | Out-of-bounds Write (CWE-787) -
CVE-2026-81998
Substance3D - Modeler | Out-of-bounds Write (CWE-787) -
CVE-2026-83962
Substance3D - Modeler | Stack-based Buffer Overflow (CWE-121 -
CVE-2026-79906
Substance3D - Modeler | Out-of-bounds Write (CWE-787)
Same weakness: CWE-295
V. Comments for CVE-2026-83964
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