CVE-2026-34659

criticalpriority · track · 0EPSS 0.006 · 50 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.64% (50th) EPSS

CVSS 9.6 · critical

Is it mine?

11 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Adobe Connect versions 2025.9.15, 2025.8.157 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. 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.

cvss

Technical severity, 0–10. One row per scoring source.

9.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.8–9.6

v3.19.6criticalAV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.6criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.6criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · psirt@adobe.comexploitability 2.8 · impact 6

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.19.6criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · NCSC-NL NL

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USCWE-502USCWE-502US

affected products (11)

Products and version ranges known to be affected.

Adobe Connect <2026.01.39all versionscert_bundDE
Adobe Connect <2026.3.125all versionscert_bundDE
Adobe Connect< 2026.01.39cert_bundDE
Adobe Connect< 2026.3.125cert_bundDE
Adobe Adobe Connect≤ 0 ≤2025.8.157enisa_euvdEU
Adobe Systems Inc. Adobe Connect Desktop Application≤ 2026.01.39fstec_bduRU
Adobe Systems Inc. Adobe Connect Desktop Application≤ 2026.3.125fstec_bduRU
Adobe Adobe Connect≤ vers:unknown/*ncsc_nlNL
Adobe Connect Desktop Application≤ vers:unknown/*ncsc_nlNL
adobe connect desktop application≤ 2025.8.157nvdUScpe:2.3:a:adobe:connect_desktop_application:*:*:*:*:*:*:*:*
adobe connect desktop application= 2025.9.15nvdUScpe:2.3:a:adobe:connect_desktop_application:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

NCSC-2026-0151Kwetsbaarheden verholpen in Adobe ConnectNL2026-05-13csaf · ncsc_nlNL
Adobe heeft kwetsbaarheden verholpen in Adobe Connect versies 2025.9.15, 2025.8.157 en eerdere versies.
WID-SEC-W-2026-1496Adobe Connect: Mehrere SchwachstellenDeutsch2026-05-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Adobe Connect ausnutzen, um beliebigen Programmcode auszuführen, und um seine Privilegien zu erhöhen.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund ncsc_nl nvd NVD CVE.org MITRE

published 2026-05-12modified 2026-10-26

references (4)

External citations — patches, advisories, analysis.

scry

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