Is CVE-2017-0240 in the CISA KEV catalog?

No. CVE-2017-0240 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-0240?

CVE-2017-0240 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-0240?

CVE-2017-0240 has an EPSS score of 14.73% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2017-0240

HIGHEPSS 96th 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 Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0221 and CVE-2017-0227.

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

14.73%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.