CVE-2026-55015: Microsoft Remote Help Denial of Service Vulnerability
Uncontrolled search path element in Windows Remote Help allows an authorized attacker to deny service locally.
CSIRTS triage
- What
- Uncontrolled search path element allows authorized attackers to cause denial of service locally.
- Who is affected
- Systems with Windows Remote Help installed and authorized users are affected.
- Urgency
- Medium severity (CVSS 5.5) denial of service requires patching but lower priority than critical flaws.
- Action
- Apply Microsoft security update for Windows Remote Help as part of regular patch cycle.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55015
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-550150.50% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-55015 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
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