CVE-2017-20190
UNSCOREDDescription
Some Microsoft technologies as used in Windows 8 through 11 allow a temporary client-side performance degradation during processing of multiple Unicode combining characters, aka a "Zalgo text" attack. NOTE: third parties dispute whether the computational cost of interpreting Unicode data should be considered a vulnerability.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3.1 Vector
No CVSS vector data available.
Exploit Intelligence
Low risk: more likely to be exploited than 18% of all known CVEs.
References
Related Vulnerabilities
Other CWE-176 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2026-48618 | Medium | 6.5 | 2.5% | - | Fix |
| CVE-2024-24691 | Critical | 9.6 | 1.7% | - | Fix |
| CVE-2023-39213 | Critical | 9.6 | 1.3% | - | Fix |
| CVE-2024-47611 | Unscored | - | 0.8% | - | - |
| CVE-2024-43093 | High | 7.3 | 0.7% | KEV | - |
| CVE-2006-10002 | Medium | 7.5 | 0.6% | - | Fix |
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.