Is CVE-2019-8720 in the CISA KEV catalog?

Yes. CVE-2019-8720 is on the CISA Known Exploited Vulnerabilities list, added 2022-05-23.

What is the CVSS severity of CVE-2019-8720?

CVE-2019-8720 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2019-8720?

CVE-2019-8720 has an EPSS score of 1.56% (72th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2019-8720

HIGHCISA KEVEPSS 72th pctl

8.8

CVSS v3

NVD

Description

A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.

CWE-119Buffer Overflow

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.56%probability of exploitation in 30 days

72ndpercentile

Elevated risk: more likely to be exploited than 72% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

WebKitGTK Memory Corruption Vulnerability

WebKitGTK contains a memory corruption vulnerability which can allow an attacker to perform remote code execution.

Apply updates per vendor instructions.

Remediation due: 2022-06-13

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 2025-11-18.