CVE-2026-9115

🔶 medium

Summary

Insufficient policy enforcement in Service Worker in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)

CVSS Score

4.3

Medium

EPSS Score

0.0

Exploit Probability

Published Date

2026-05-20

First Seen: 2026-05-21

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 5.4% of all 330,193 vulnerabilities in our database.

#312,358

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: May 20, 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:L/I:N/A:N

CWE IDs (Weakness Types)

CWE-693

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
google	chrome	Affected	< 148.0.7778.179

🔗 References 2

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

Vendor Advisory

https://issues.chromium.org/issues/495999481

Permissions Required

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-13281	⚠️ high	8.3	0.2	Integer overflow in Mojo in Google Chrome prior to 149.0.7827.201 allowed a remote attacker who had compromised the rend...	2026-06-25
CVE-2026-13282	🔶 medium	6.8	0.1	Use after free in Payments in Google Chrome on Android prior to 149.0.7827.201 allowed a local attacker to potentially e...	2026-06-25
CVE-2026-13283	⚠️ high	7.5	0.2	Use after free in AdFilter in Google Chrome on Android prior to 149.0.7827.201 allowed a remote attacker who convinced a...	2026-06-25
CVE-2026-13021	🔶 medium	4.3	0.1	Inappropriate implementation in DeviceBoundSessionCredentials in Google Chrome prior to 149.0.7827.197 allowed a remote ...	2026-06-24
CVE-2026-13022	🔶 medium	6.5	0.2	Inappropriate implementation in Autofill in Google Chrome prior to 149.0.7827.197 allowed a remote attacker who had comp...	2026-06-24
CVE-2026-13023	🔶 medium	5.3	0.2	Uninitialized Use in GPU in Google Chrome prior to 149.0.7827.197 allowed a remote attacker who had compromised the rend...	2026-06-24

These CVEs affect the same products