KEV · Actively exploited
CVE-2026-87491
CVE-2026-87491 is actively exploited (CISA KEV catalog) : high severity (CVSS 8.8), 2 tracked apps concerned, none still exposed on their current version.
- Severity (CVSS)
- 8.8
- Exploitation
- Confirmed
- Tracked apps
- 2
- Still exposed
- 0
NVD scale
CISA KEV · EPSS predicts 3.5 %
Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Attack vector : Network
No privileges required
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
3.51%
predictive model; CISA confirms active exploitation
percentile 89.1%
CISA Known Exploited Vulnerability
- Added to KEV
- 2026-09-09
- Remediation deadline
- 2026-09-23
- Required action
- Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
- Ransomware
- Unknown (not documented by CISA)
Tracked apps referencing this CVE
For each app: the affected range, the fixing version, and where the tracked app stands today.
-
Observed affected builds (49)
152.0.7977.83 152.0.7977.76 152.0.7977.65 151.0.7922.174 151.0.7922.170 151.0.7922.138 151.0.7922.109 151.0.7922.76 151.0.7922.72 150.0.7871.187 150.0.7871.182 150.0.7871.129 150.0.7871.125 150.0.7871.115 150.0.7871.101 150.0.7871.47 149.0.7827.201 149.0.7827.197 149.0.7827.156 149.0.7827.115 149.0.7827.103 149.0.7827.54 148.0.7778.216 148.0.7778.179 148.0.7778.168 148.0.7778.97 147.0.7727.138 147.0.7727.117 147.0.7727.102 147.0.7727.56 +19 · see history -
Observed affected builds (3)
Vulnerable CPE configurations (2)
| Vendor | Product | Platform | Versions | CPE 2.3 URI |
|---|---|---|---|---|
|
chrome All platforms (wildcard)
|
All platforms (wildcard) | <153.0.8010.36 | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | |
|
chrome All platforms (wildcard)
|
All platforms (wildcard) | <153.0.8010.36 | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* |
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