Is CVE-2017-8728 in the CISA KEV catalog?

No. CVE-2017-8728 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-8728?

CVE-2017-8728 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-8728?

CVE-2017-8728 has an EPSS score of 21.53% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2017-8728

HIGHEPSS 97th pctl

7.5

CVSS v3

NVD

Description

Microsoft Windows PDF Library in Microsoft Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user, due to the way that Windows PDF Library handles objects in memory, aka "Windows PDF Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-8737.

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

21.53%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% 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.