Is CVE-2017-0020 in the CISA KEV catalog?

No. CVE-2017-0020 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-0020?

CVE-2017-0020 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2017-0020?

CVE-2017-0020 has an EPSS score of 16.39% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2017-0020

HIGHEPSS 97th pctl

7.8

CVSS v3

NVD

Description

Microsoft Excel 2016, Excel 2010 SP2, Excel 2013 RT SP1, and Office Web Apps Server 2013 SP1 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted document, aka "Microsoft Office Memory Corruption Vulnerability." This vulnerability is different from those described in CVE-2017-0006, CVE-2017-0019, CVE-2017-0030, CVE-2017-0031, CVE-2017-0052, and CVE-2017-0053.

CWE-119Buffer Overflow

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

16.39%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.