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CVE-2026-41252

Neutrinolabs Xrdp remote code execution

9.8 CRITICALEPSS 1.11%
  1. Published20 Jul 2026

Description

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a missing bounds check in xrdp, which allows a heap-based buffer overflow when operating in vnc-any mode. The issue occurs during the handling of RFB protocol color map messages from a VNC server, where incoming color indices are not properly validated. A malicious VNC server can exploit this flaw by sending crafted messages with out-of-range values, leading to an out-of-bounds write on the heap. This memory corruption can result in a denial of service (DoS) or potentially allow remote code execution (RCE) prior to authentication. This issue has been fixed in version 0.10.6.1.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Neutrinolabs Xrdp< 0.10.6.1

Remediation

Fixed in
Neutrinolabs Xrdp≥ 0.10.6.1

References

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Frequently asked

Is CVE-2026-41252 being actively exploited?

CVE-2026-41252 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.11%.

How severe is CVE-2026-41252?

CVE-2026-41252 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.11% probability of exploitation.

Which products are affected by CVE-2026-41252?

Affected products include Neutrinolabs Xrdp.

How do I fix CVE-2026-41252?

Upgrade affected software to a fixed version, for example Neutrinolabs Xrdp 0.10.6.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-41252 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.