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CVE-2026-55015Important

Microsoft Remote Help Denial of Service Vulnerability

MSRC advisory NVD CVE.org

Assessment

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

Severity
Important
CVSS base score
5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Impact
Denial of Service
EPSS, next 30 days
1.0%Higher than 60.6% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
Exploitability
Exploitation Less Likely
Publicly disclosed
No
Customer action
Required: apply the update
Component
Windows Remote Help
Weakness
CWE-427: Uncontrolled Search Path Element
Issued by
Microsoft
Published
20 Aug 2026 · August 2026
Last revised
20 Aug 2026

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

Windows
1 affected product
  • Windows Remote Help
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