Is CVE-2016-6803 in the CISA KEV catalog?

No. CVE-2016-6803 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-6803?

CVE-2016-6803 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2016-6803?

CVE-2016-6803 has an EPSS score of 2.10% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2016-6803?

No published fix for CVE-2016-6803 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2016-6803

HIGHEPSS 80th pctl

7.8

CVSS v3

NVD

Description

An installer defect known as an "unquoted Windows search path vulnerability" affected the Apache OpenOffice before 4.1.3 installers for Windows. The PC must have previously been infected by a Trojan Horse application (or user) running with administrative privilege. Any installer with the unquoted search path vulnerability becomes a delayed trigger for the exploit.

CWE-426

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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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

2.10%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Vendor Advisory1

openoffice.org

Third-Party Advisory2

Related Vulnerabilities

Other CWE-426 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-0096	High	9.3	71%	-	-
CVE-2016-10009	High	7.3	37%	-	Fix
CVE-2016-0016	High	7.8	31%	-	-
CVE-2012-1854	High	7.8	21%	KEV	-
CVE-2018-12589	High	7.8	20%	-	-
CVE-2022-22047	High	7.8	19%	KEV	Fix

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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.