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Vulnerability

CVE-2026-76475

XSS in Cisco Unified Communications products

CVSS 3.1
9.3 critical
EPSS
—
Published
·
Modified
Analyze CVE-2026-76475 with Vani AIImpact, affected versions, exploitation status, mitigations and detection
AI analysisSummaries by Vani AI

Improper neutralization of input during web page generation (CWE-79) affects several Cisco collaboration products. A remote attacker can trigger it over the network without credentials, but a user must interact with crafted content. Successful exploitation can expose or alter data in the victim's browser with changed scope. Cisco Emergency Responder, Prime Collaboration Deployment, Unified CM, Unified CM IM&P, Unified CM SME, and Unity Connection are affected. Cisco has not listed affected builds.

What to do: Apply Cisco's software hardening updates for CVE-2026-76475 on the affected collaboration products. No fixed versions or workarounds are stated.

ProductAffected
Cisco Emergency Responder—
Cisco Prime Collaboration Deployment—
Cisco Unified Communications Manager—
Cisco Unified Communications Manager IM & Presence Service—
Cisco Unified Communications Manager Session Management Edition—
Cisco Unity Connection—
Estimated exposure
No basis for an estimate.

Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.

Description · NVD

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76475 are related to issues concerning improper neutralization of input during web page generation that are grouped under the Common Weakness Enumeration (CWE) Base CWE-79.

Weakness
CWE-79
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
NVD CVE.org GitHub PoCs EPSS (—)

In the news

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