Is CVE-2017-11819 in the CISA KEV catalog?

No. CVE-2017-11819 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-11819?

CVE-2017-11819 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-11819?

CVE-2017-11819 has an EPSS score of 14.22% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2017-11819

HIGHEPSS 96th pctl

7.5

CVSS v3

NVD

Description

Microsoft Windows 7 SP1 allows an attacker to execute arbitrary code in the context of the current user, due to how Microsoft browsers handle objects in memory, aka "Windows Shell Remote Code Execution Vulnerability".

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

14.22%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.