CVE-2026-78955
Last modified
CVE-2026-78955 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Observable discrepancy in PerformanceAPIs in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to potentially obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium). EPSS estimates a 0.37% chance of exploitation in the next 30 days.
Description
Observable discrepancy in PerformanceAPIs in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to potentially obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Chrome | >= 152.0.7977.65, < 152.0.7977.65 |
References
Timeline
- Published
- Last Modified
- Status
- Undergoing Analysis
Frequently Asked Questions
What is CVE-2026-78955?
How severe is CVE-2026-78955?
How do I fix CVE-2026-78955?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- 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-2026-78949Observable discrepancy in CustomTabs in Google Chrome on on …2.9
- CVE-2026-78950Integer overflow in WebRTC in Google Chrome prior to 152.0.7…8.8
- CVE-2026-78951Use after free in ServiceWorker in Google Chrome prior to 15…9.6
- CVE-2026-78952Out of bounds write in Crashpad in Google Chrome on on Windo…8.3
- CVE-2026-78953Missing authorization in SiteIsolation in Google Chrome prio…3.1
- CVE-2026-78954Incorrect authorization in Extensions in Google Chrome prior…4.3
- CVE-2026-78956Type confusion in V8 in Google Chrome prior to 152.0.7977.65…8.8
- CVE-2026-78957Information leak in Mobile in Google Chrome on on iOS prior …5.5
- CVE-2026-78958Uninitialized resource in Skia in Google Chrome prior to 152…
- CVE-2026-78959Improper handling of case sensitivity in FileSystem in Googl…6.5
- CVE-2026-7896Integer overflow in Blink in Google Chrome prior to 148.0.77…8.8
- CVE-2026-78960Information leak in Extensions in Google Chrome prior to 152…6.5
Are you affected by CVE-2026-78955?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST