Vulnerability · Published Aug 20, 2026 · Assigned by microsoft
CVE-2026-55013Windows Remote Help Defense Spoofing Vulnerability
High 7.1
In plain English
A high-severity uncontrolled search path in Windows Remote Help from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.5%top 59.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Uncontrolled search path element in Windows Remote Help Defense allows an authorized attacker to perform spoofing locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Remote Help | 5.0.0.0 – before 5.2.1040.0 |
Weakness: CWE-427 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
References
- Windows Remote Help Defense Spoofing Vulnerability vendor-advisory, patch