Is CVE-2017-8644 in the CISA KEV catalog?

No. CVE-2017-8644 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-8644?

CVE-2017-8644 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2017-8644?

CVE-2017-8644 has an EPSS score of 15.12% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2017-8644

MEDIUMEPSS 96th pctl

4.3

CVSS v3

NVD

Description

Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an attacker to disclose information due to the way that Microsoft Edge handles objects in memory, aka "Microsoft Edge Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-8652 and CVE-2017-8662.

CWE-200Information Exposure

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

15.12%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.