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CVE-2026-34660— Adobe Connect | Incorrect Authorization (CWE-863)

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是美国奥多比（Adobe）公司的一个用于创建会议环境的软件。 Adobe Connect存在安全漏洞，该漏洞源于授权不正确，可能导致当前用户环境中执行任意代码。以下版本受到影响：2025.9.15版本、2025.8.157版本及之前版本。

CVSS 9.3 · Critical EPSS 1.03% · P62

Affected Version Matrix 4

VendorProduct Version RangeStatus
Adobe Adobe Connect ≤ 12.11 affected
12.11.1 unaffected
Adobe Adobe Connect Desktop Application ≤ 2025.9.15 (Win), 2025.8.157 (Mac) affected
2026.3.125 (Win), 2026.01.39 (Mac) unaffected
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I. Basic Information for CVE-2026-34660

Vulnerability Information
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Vulnerability Title
Adobe Connect | Incorrect Authorization (CWE-863)
Source: CVE Program / CVE List V5
Vulnerability Description
Adobe Connect versions 2025.9.15, 2025.8.157 and earlier are affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Connect 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Connect是美国奥多比（Adobe）公司的一个用于创建会议环境的软件。 Adobe Connect存在安全漏洞，该漏洞源于授权不正确，可能导致当前用户环境中执行任意代码。以下版本受到影响：2025.9.15版本、2025.8.157版本及之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Adobe Adobe Connect 0 ~ 12.11 -
Adobe Adobe Connect Desktop Application 0 ~ 2025.9.15 (Win), 2025.8.157 (Mac) -

II. Public POCs for CVE-2026-34660

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III. Intelligence Information for CVE-2026-34660

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Vendor Advisories for CVE-2026-34660 (1)

Same Patch Batch · Adobe · 2026-05-12 · 51 CVEs total

CVE-2026-34659 9.6 CRITICAL Adobe Connect | Deserialization of Untrusted Data (CWE-502)
CVE-2026-34653 8.7 HIGH Adobe Commerce | Improper Limitation of a Pathname to a Restricted Directory ('Path Traver
CVE-2026-34686 8.7 HIGH Adobe Commerce | Cross-site Scripting (Stored XSS) (CWE-79)
CVE-2026-34687 7.8 HIGH Illustrator | Heap-based Buffer Overflow (CWE-122)
CVE-2026-34675 7.8 HIGH Substance3D - Painter | Out-of-bounds Write (CWE-787)
CVE-2026-34644 7.8 HIGH After Effects | Integer Overflow or Wraparound (CWE-190)
CVE-2026-34676 7.8 HIGH Substance3D - Painter | Out-of-bounds Write (CWE-787)
CVE-2026-34643 7.8 HIGH After Effects | Out-of-bounds Write (CWE-787)
CVE-2026-34642 7.8 HIGH After Effects | Heap-based Buffer Overflow (CWE-122)
CVE-2026-34639 7.8 HIGH Media Encoder | Out-of-bounds Write (CWE-787)
CVE-2026-34640 7.8 HIGH Media Encoder | Integer Overflow or Wraparound (CWE-190)
CVE-2026-34637 7.8 HIGH Premiere Pro | Out-of-bounds Write (CWE-787)
CVE-2026-34661 7.8 HIGH Illustrator | Out-of-bounds Write (CWE-787)
CVE-2026-34638 7.8 HIGH Premiere Pro | Use After Free (CWE-416)
CVE-2026-34683 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-34684 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-34681 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-34682 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-34690 7.8 HIGH After Effects | Stack-based Buffer Overflow (CWE-121)
CVE-2026-34636 7.8 HIGH Premiere Pro | Out-of-bounds Write (CWE-787)

Showing top 20 of 51 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Adobe Connect
Same vendor: Adobe
Same weakness: CWE-863

V. Comments for CVE-2026-34660

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