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CVE-2017-20190

UnknownEPSS 0.26%

Last modified

CVE-2017-20190 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.26%

17.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2017-20190?
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 severe is CVE-2017-20190?
Severity scoring for CVE-2017-20190 is pending analysis. The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2017-20190?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-20190?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST