Is CVE-2026-49472 actively exploited?

No active exploitation of CVE-2026-49472 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-49472 be exploited remotely?

Yes. CVE-2026-49472 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-49472?

CVE-2026-49472 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2026-49472

CWE-116Published: June 9, 2026· Updated: Jun 10, 2026

5.3

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.3th

Official Description

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH includes a vulnerable function, PREFIX(prologTok)(), in libs/xmlrpc-c/lib/expat/xmltok/xmltok_impl.c, which was cloned from an outdated and vulnerable version in libexpat/libexpat. The function did not receive the corresponding security patch. This issue has been patched in version 1.11.0.

NVD Source

Technical Analysis

CVE-2026-49472 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.3.