CVE-2026-87537: Missing authorization in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had
CVE-2026-87537 is a high-severity flaw (CVSS 8.1) affecting chrome. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Missing authorization in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: Medium)
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 65%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| Published | 2026-09-09 |
| Last modified | 2026-09-10 |
Last updated 2026-09-10 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-87537?
chrome: upgrade to 153.0.8010.36. Exact commands for each OS are on this page.
Is CVE-2026-87537 being exploited?
CVE-2026-87537 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-87537 affect?
CVE-2026-87537 affects chrome. Severity is high (CVSS 8.1). Missing authorization in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via crafted network traffic. (Chromium
How urgent is CVE-2026-87537?
Priority 42/100. High severity; Remotely exploitable, no login, no user action
Software pages
Google Chrome vulnerabilities · Chromium vulnerabilities
Related CVEs
- CVE-2026-0628 HIGH 8.8 UPGRADE Insufficient policy enforcement in WebView tag in Google Chrome prior to 143.0.7499.192 allowed an attacker wh
- CVE-2026-5285 HIGH 8.8 UPGRADE Use after free in WebGL in Google Chrome prior to 146.0.7680.178 allowed a remote attacker to execute arbitrar
- CVE-2026-6315 HIGH 8.8 UPGRADE Use after free in Permissions in Google Chrome on Android prior to 147.0.7727.101 allowed a remote attacker wh
- CVE-2026-6363 HIGH 8.8 UPGRADE Type Confusion in V8 in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to potentially perform
- CVE-2026-6311 HIGH 8.3 UPGRADE Uninitialized Use in Accessibility in Google Chrome on Windows prior to 147.0.7727.101 allowed a remote attack