CVE-2026-75684: Adobe Connect is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an atta

Q: How do I fix CVE-2026-75684?

connect: upgrade to 12.12; connect for mobile: upgrade to 4.5. Exact commands for each OS are on this page.

Q: Is CVE-2026-75684 being exploited?

CVE-2026-75684 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-75684 affect?

CVE-2026-75684 affects connect, connect for mobile. Severity is critical (CVSS 9.3). 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

Q: How urgent is CVE-2026-75684?

Priority 46/100. Critical severity

This month

CRITICAL 9.3UPGRADEUPGRADE

CVE-2026-75684 is a critical-severity flaw (CVSS 9.3) affecting connect, connect for mobile. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.3 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-09-22
Last modified	2026-09-26

Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe

Last updated 2026-09-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-22 19:16 UTCPublished CVE record published
2026-09-26 23:16 UTCUpdated Record last modified

adobe connect UPGRADE

Affected: < 12.12

Fixed in: 12.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy connect || rpm -q connect || connect --version

2. UPGRADE to 12.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade connect

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade connect

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

adobe connect for mobile UPGRADE

Affected: < 4.5

Fixed in: 4.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy connect-for-mobile || rpm -q connect-for-mobile || connect-for-mobile --version

2. UPGRADE to 4.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade connect-for-mobile

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade connect-for-mobile

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-75684?

connect: upgrade to 12.12; connect for mobile: upgrade to 4.5. Exact commands for each OS are on this page.

Is CVE-2026-75684 being exploited?

CVE-2026-75684 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-75684 affect?

CVE-2026-75684 affects connect, connect for mobile. Severity is critical (CVSS 9.3). 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

How urgent is CVE-2026-75684?

Priority 46/100. Critical severity

Related CVEs

CVE-2026-27246 CRITICAL 9.3 UPGRADE UPGRADE Adobe Connect versions 2025.3, 12.10 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulner
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CVE-2026-27243 CRITICAL 9.3 UPGRADE UPGRADE Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulner
CVE-2026-27245 CRITICAL 9.3 UPGRADE UPGRADE Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulner
CVE-2026-21331 MEDIUM 6.1 UPGRADE UPGRADE Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulner

References

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