Is CVE-2026-13800 in the CISA KEV catalog?

No. CVE-2026-13800 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-13800?

CVE-2026-13800 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2026-13800?

CVE-2026-13800 has an EPSS score of 0.13% (3th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-13800?

Upgrade chrome to 150.0.7871.47 or later.

CVE & CISA-KEV Catalog

CVE-2026-13800

HIGH

7.8

CVSS v3

NVD

Description

Inappropriate implementation in Updater in Google Chrome on Windows prior to 150.0.7871.47 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: High)

CWE-284Improper Access Control

How to fix

Remediation Available

chromeNVD

Affected:< 150.0.7871.47Fixed in:150.0.7871.47CVE-2026-13800derived 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

0.13%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Release Notes1

chromereleases.googleblog.com

Other references1

issues.chromium.org

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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 2026-07-01.