Public proof of conceptFix available

CVE-2022-3656

Q: Is CVE-2022-3656 actively exploited?

Active exploitation of CVE-2022-3656 has not been confirmed. Its EPSS score was 2.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-3656?

CVE-2022-3656 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2022-11-01
Fixed in107.0.5304.62
WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Insufficient data validation in File System in Google Chrome prior to 107.0.5304.62 allowed a remote attacker to bypass file system restrictions via a crafted HTML page. (Chromium security severity: Medium)

Timeline

dates in UTC

2022-11-0123:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-3656?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-3656?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Google chrome

Branch	Affected	Fixed in	Source
107.0	< 107.0.5304.62	107.0.5304.62	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Google chrome to 107.0.5304.62

Advisories and patches

chromereleases.googleblog.comRelease Notes · Vendor Advisory
crbug.comVendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedmomika233/CVE-2022-3656

Sources

CISA-ADPSSVC decisionnone2024-11-12
OpenCVESSVC decisionnone—
NVDCVSS 3.18.8read 2026-10-23
NVDweakness (CWE)CWE-20read 2026-10-23
FIRST EPSSEPSS score2.1 %2026-10-22
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2022-11-01
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-3656?

Is CVE-2022-3656 actively exploited?

Active exploitation of CVE-2022-3656 has not been confirmed. Its EPSS score was 2.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-3656?

CVE-2022-3656 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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