CVE-2026-44422: FreeRDP is a free implementation of the Remote Desktop Protocol

Q: How do I fix CVE-2026-44422?

freerdp: upgrade to 3.26.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-44422 being exploited?

CVE-2026-44422 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-2026-44422 affect?

CVE-2026-44422 affects freerdp. Severity is high (CVSS 7.5). FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, FreeRDP's RDPEAR NDR parser accepts one non-null NDR pointer ref-id for multiple logical pointer fields without tracking the pointed object's expected NDR typ

Q: How urgent is CVE-2026-44422?

Priority 41/100. High severity; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2026-44422 is a high-severity flaw (CVSS 7.5) affecting freerdp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, FreeRDP's RDPEAR NDR parser accepts one non-null NDR pointer ref-id for multiple logical pointer fields without tracking the pointed object's expected NDR type or ownership. When the same ref-id is reused across two pointer fields, the parser assigns the same heap object to both output fields. The generic destructor later walks each field independently and destroys/

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-415, CWE-416, CWE-825
Published	2026-05-29
Last modified	2026-07-27

Publisher (CNA): GitHub, Inc. · Vendor: freerdp

Last updated 2026-07-27 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-29 20:16 UTCPublished CVE record published
2026-07-27 13:18 UTCUpdated Record last modified

freerdp freerdp UPGRADE

Affected: < 3.26.0

Fixed in: 3.26.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.26.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade freerdp

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-2026-44422?

freerdp: upgrade to 3.26.0. Exact commands for each OS are on this page.

Is CVE-2026-44422 being exploited?

CVE-2026-44422 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-2026-44422 affect?

CVE-2026-44422 affects freerdp. Severity is high (CVSS 7.5). FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, FreeRDP's RDPEAR NDR parser accepts one non-null NDR pointer ref-id for multiple logical pointer fields without tracking the pointed object's expected NDR typ

How urgent is CVE-2026-44422?

Priority 41/100. High severity; Public exploit reference

Software pages

WinRM and RDP vulnerabilities

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References

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