CVE-2026-3223

Name: CVE-2026-3223
Creator: NVD / NIST
Published: 2026-02-27T14:16:30.923+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.4/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2026-3223 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. Arbitrary file write & potential privilege escalation exploiting zip slip vulnerability in Google Web Designer.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

Arbitrary file write & potential privilege escalation exploiting zip slip vulnerability in Google Web Designer.

Metrics

CVSS 3.1

7.8/10

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

CVSS 4.0

8.4/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.15%

4.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Google	Web Designer	14.2.2.0

References

https://bughunters.google.com/reports/vrp/FJMQGy8ooExploit, Vendor Advisory

Timeline

Published: Feb 27, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-3223?

Arbitrary file write & potential privilege escalation exploiting zip slip vulnerability in Google Web Designer.

How severe is CVE-2026-3223?

CVE-2026-3223 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2026-3223?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-3223?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST