Microsoft Windows up to 5.2.1037.0 Remote Help uncontrolled search path

Summaryinfo

A vulnerability has been found in Microsoft Windows and classified as critical. This issue affects some unknown processing of the component Remote Help. This manipulation causes uncontrolled search path. This vulnerability is handled as CVE-2026-55015. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability was found in Microsoft Windows. It has been declared as critical. Affected by this vulnerability is an unknown part of the component Remote Help. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. The CWE definition for the vulnerability is CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Uncontrolled search path element in Windows Remote Help allows an authorized attacker to deny service locally.

It is possible to read the advisory at msrc.microsoft.com. This vulnerability is known as CVE-2026-55015 since 06/16/2026. The exploitation appears to be difficult. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/21/2026). The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

Upgrading to version 5.2.1040.0 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

Version

• 0.72.0.0
• 1
• 1.000
• 1.1.3520.0
• 1.1.6603.0
• 1.2.7214.0
• 1.3
• 2.0.1070.0
• 2.0.1193.0
• 2.1
• 2.6
• 2.6.2.6
• 2.6.4
• 2.6.5.16
• 2.7.4
• 2.7.8
• 2.7.10
• 3.1.4000.1823
• 3.11
• 4.0
• 4.0 SP1
• 4.0 SP2
• 4.0 SP3
• 4.0 SP5
• 4.0 SP6
• 4.1
• 4.2.223.0
• 5
• 5.0
• 5.1
• 5.2.1037.0

License

• commercial

Website

• Vendor: https://www.microsoft.com/
• Product: https://www.microsoft.com/en-us/windows

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion