Is CVE-2017-0158 in the CISA KEV catalog?

No. CVE-2017-0158 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-0158?

CVE-2017-0158 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-0158?

CVE-2017-0158 has an EPSS score of 12.56% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2017-0158

HIGHEPSS 96th pctl

7.5

CVSS v3

NVD

Description

An elevation of privilege vulnerability exists when Microsoft Windows running on Windows 10, Windows 10 1511, Windows 8.1 Windows RT 8.1, and Windows Server 2012 R2 fails to properly sanitize handles in memory, aka "Scripting Engine Memory Corruption Vulnerability."

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

12.56%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

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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 2026-05-13.