CVE-2026-87556
MEDIUMCVSS 4.3/10EPSS 0.28%
Last modified
CVE-2026-87556 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Missing authorization in Browser in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium). EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
Missing authorization in Browser in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 153.0.8010.36 |
References
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.htmlRelease Notes, Vendor Advisory
- https://issues.chromium.org/issues/513192482Permissions Required
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-87556?
Missing authorization in Browser in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2026-87556?
CVE-2026-87556 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2026-87556?
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.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-87550Improper encoding or escaping of output in CSS in Google Chr…4.3
- CVE-2026-87551Improper certificate validation in CORS in Google Chrome pri…4.3
- CVE-2026-87552Missing authorization in TrustedWebActivities in Google Chro…5.5
- CVE-2026-87553Improper input validation in SiteIsolation in Google Chrome …8.3
- CVE-2026-87554Race condition in Chromoting in Google Chrome on on Windows …8.1
- CVE-2026-87555Uninitialized resource in GPU in Google Chrome on on Android…4.7
- CVE-2026-87557Missing authorization in LocalNetworkAccess in Google Chrome…4.3
- CVE-2026-87558Use after free in Payments in Google Chrome on on Mac prior …9.6
- CVE-2026-87559UI misrepresentation in UI in Google Chrome prior to 153.0.8…4.2
- CVE-2026-8756A vulnerability has been found in fishaudio Bert-VITS2 up to…7.3
- CVE-2026-87560Missing authorization in Browser in Google Chrome prior to 1…4.3
- CVE-2026-87561Incorrect authorization in Web Authentication in Google Chro…4.3
Are you affected by CVE-2026-87556?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST