CVE-2026-121212
HIGHCVSS 8.8/10EPSS 0.20%
Last modified
CVE-2026-121212 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Incorrect authorization in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium). EPSS estimates a 0.20% chance of exploitation in the next 30 days.
Description
Incorrect authorization in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Chrome | >= 157.0.8103.38, < 157.0.8103.38 |
References
Timeline
- Published
- Last Modified
- Status
- Undergoing Analysis
Frequently Asked Questions
What is CVE-2026-121212?
Incorrect authorization in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2026-121212?
CVE-2026-121212 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2026-121212?
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-2026-121206UI misrepresentation in Isolated in Google Chrome prior to 1…5.4
- CVE-2026-121207Uninitialized resource in Dawn in Google Chrome on on Mac pr…
- CVE-2026-121208Out of bounds read in Media in Google Chrome prior to 157.0.…8.8
- CVE-2026-121209UI misrepresentation in Input in Google Chrome prior to 157.…
- CVE-2026-121210Type confusion in V8 in Google Chrome prior to 157.0.8103.38…8.8
- CVE-2026-121211Use after free in PowerBookmarks in Google Chrome prior to 1…8.3
- CVE-2026-121213Uninitialized resource in Images in Google Chrome prior to 1…6.5
- CVE-2026-121214Use after free in Passwords in Google Chrome prior to 157.0.…9.6
- CVE-2026-121215UI misrepresentation in Bluetooth in Google Chrome prior to …5.4
- CVE-2026-121216UI misrepresentation in UI in Google Chrome prior to 157.0.8…5.4
- CVE-2026-121217Use after free in Streaming in Google Chrome prior to 157.0.…7.5
- CVE-2026-121218Type confusion in V8 in Google Chrome prior to 157.0.8103.38…8.8
Are you affected by CVE-2026-121212?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST