Is CVE-2021-26700 in the CISA KEV catalog?

No. CVE-2021-26700 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-26700?

CVE-2021-26700 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-26700?

CVE-2021-26700 has an EPSS score of 5.95% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-26700?

Upgrade npm to 0.3.15 or later.

CVE & CISA-KEV Catalog

CVE-2021-26700

HIGHEPSS 92th pctl

7.8

CVSS v3

NVD

Description

Visual Studio Code npm-script Extension Remote Code Execution Vulnerability

How to fix

Remediation Available

npmNVD

Affected:< 0.3.15Fixed in:0.3.15CVE-2021-26700derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

5.95%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Patch1

portal.msrc.microsoft.com

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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 2025-07-16.