How severe is CVE-2026-75684?

CVE-2026-75684 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-75684 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-75684?

CVE-2026-75684 primarily affects Adobe Connect. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-75684?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-75684 published?

CVE-2026-75684 was published on 2026-09-22 and last updated on 2026-09-26.

CVE-2026-75684

CVE-2026-75684 is a critical-severity vulnerability in Adobe Connect with a CVSS 3.x base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Critical (CVSS 3.x base score 9.3)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Adobe Connect
Published: 2026-09-22
Last modified: 2026-09-26

Description

Adobe Connect is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field, potentially gaining elevated access or control over the victim's account or session. Scope is changed.

Frequently asked questions

What is CVE-2026-75684?: Adobe Connect is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field, potentially gaining elevated access or control over the victim's account or session. Scope is changed.
How severe is CVE-2026-75684?: CVE-2026-75684 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-75684 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-75684?: CVE-2026-75684 primarily affects Adobe Connect. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-75684?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-75684 published?: CVE-2026-75684 was published on 2026-09-22 and last updated on 2026-09-26.

References

https://helpx.adobe.com/security/products/connect/apsb26-150.html

Affected products (2)

cpe:2.3:a:adobe:connect:*:*:*:*:*:-:*:*
cpe:2.3:a:adobe:connect_for_mobile:*:*:*:*:*:android:*:*

More vulnerabilities in Adobe Connect

CVE-2017-11291 — Critical (CVSS 10.0): An issue was discovered in Adobe Connect 9.6.2 and earlier versions. A Server-Side Request Forgery (SSRF) vulnerability…
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CVE-2023-4662 — Critical (CVSS 9.8): Execution with Unnecessary Privileges vulnerability in Saphira Saphira Connect allows Remote Code Inclusion. This…
CVE-2023-4661 — Critical (CVSS 9.8): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Saphira Saphira…
CVE-2021-40719 — Critical (CVSS 9.8): Adobe Connect version 11.2.3 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve…
CVE-2018-12805 — Critical (CVSS 9.8): Adobe Connect versions 9.7.5 and earlier have an Insecure Library Loading vulnerability. Successful exploitation could…

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