Description
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.
Published: 2024-03-26
Score: n/a
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Fri, 20 Feb 2026 01:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
CPEs cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 08 Aug 2024 20:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-176

Subscriptions

Microsoft Windows
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-08T18:54:20.251Z

Reserved: 2024-03-26T00:00:00.000Z

Link: CVE-2017-20190

cve-icon Vulnrichment

Updated: 2024-08-05T21:45:25.973Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2024-03-27T00:15:07.580

Modified: 2024-11-21T03:22:50.817

Link: CVE-2017-20190

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses