CVE-2026-8563

🔶 medium

Summary

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)

CVSS Score

4.3

Medium

EPSS Score

0.0

Exploit Probability

Published Date

2026-05-14

First Seen: 2026-05-17

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 5.4% of all 325,703 vulnerabilities in our database.

#308,032

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: May 15, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

SSVC data provided by CISA

Last Modified 2026-05-21

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-693

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
google	chrome	Affected	< 148.0.7778.168

🔗 References 2

https://chromereleases.googleblog.com/2026/05/stable...

Vendor Advisory

https://issues.chromium.org/issues/40061220

Permissions Required

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-11238	🔶 medium	5.9	0.0	Inappropriate implementation in DevTools in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a use...	2026-06-05
CVE-2026-11239	⚠️ high	7.5	0.1	Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had com...	2026-06-05
CVE-2026-11240	ℹ️ low	3.1	0.0	Insufficient validation of untrusted input in Loader in Google Chrome prior to 149.0.7827.53 allowed a remote attacker w...	2026-06-05
CVE-2026-11241	⚠️ high	8.0	0.0	Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53 allowed an attacker on the lo...	2026-06-05
CVE-2026-11242	⚠️ high	7.5	0.0	Insufficient validation of untrusted input in Plugins in Google Chrome prior to 149.0.7827.53 allowed a remote attacker ...	2026-06-05
CVE-2026-11243	🔶 medium	5.4	0.0	Inappropriate implementation in Downloads in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass na...	2026-06-05

These CVEs affect the same products