Is CVE-2017-0266 in the CISA KEV catalog?

No. CVE-2017-0266 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-0266?

CVE-2017-0266 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-0266?

CVE-2017-0266 has an EPSS score of 35.82% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2017-0266

HIGHEPSS 98th pctl

7.5

CVSS v3

NVD

Description

A remote code execution vulnerability exists in Microsoft Edge in the way affected Microsoft scripting engines render when handling objects in memory, aka "Microsoft Edge Remote Code Execution Vulnerability."

CWE-119Buffer Overflow

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

35.82%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% 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.