Is CVE-2026-10702 in the CISA KEV catalog?

No. CVE-2026-10702 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-10702?

CVE-2026-10702 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2026-10702?

CVE-2026-10702 has an EPSS score of 0.55% (43th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-10702?

Upgrade firefox on debian unstable to 151.0.3-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2026-10702

MEDIUM

4.3

CVSS v3

NVD

Description

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 151.0.3.

CWE-843Type Confusion CWE-733

How to fix

Remediation Available

firefoxDebian

Fixed in:151.0.3-1CVE-2026-10702

DeveloperEditionWindows application

Affected:151.0.3Fixed in:151.0.3Mozilla

Mozilla Firefox (en-US)Windows application

Affected:151.0.3Fixed in:151.0.3Mozilla

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.55%probability of exploitation in 30 days

43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Other references4

Related Vulnerabilities

Other CWE-843 (Type Confusion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2011-0611	High	8.8	99%	KEV	Fix
CVE-2012-0507	Critical	9.8	98%	KEV + Ransom	-
CVE-2017-8291	High	7.8	97%	KEV	Fix
CVE-2019-0752	High	7.5	82%	KEV + Ransom	-
CVE-2017-0037	High	8.1	80%	KEV	-
CVE-2016-7201	High	8.8	80%	KEV	-

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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 2026-07-15.