Chrome 157 fixes 83 flaws, five critical use-after-frees
The Stable Channel update does not say these new flaws are being exploited; bug details may stay restricted.
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Vulnerability1 · 1 read
CVE-2026-126866
Incorrect authorization in Chrome Extensions before 157.0.8103.78
- CVSS 3.1
- 8.8 high
- EPSS
- —
- Published
- ·
- Modified
AI analysisSummaries by Vani AI
Incorrect authorization in Google Chrome Extensions lets a remote attacker, through social engineering, run arbitrary code inside the sandbox using a crafted Chrome extension. The attacker needs the user to install or otherwise accept that extension. Chrome builds before 157.0.8103.78 are affected.
What to do: Update Google Chrome to 157.0.8103.78 or later.
| Product | Affected | Fixed in |
|---|---|---|
| Google Chrome | prior to 157.0.8103.78 | 157.0.8103.78 |
Estimated exposure
No basis for an estimate.
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
Description · NVD
Incorrect authorization in Extensions in Google Chrome prior to 157.0.8103.78 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted Chrome extension. (Chromium security severity: High)
- Weakness
- CWE-863
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H