Search/CVE-2026-87491
● CVE — High

CVE-2026-87491

VendorgoogleProductchromeDiscoveredSep 9, 2026UpdatedSep 21, 2026

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)

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CVSS v3.1
8.8 HIGH
EPSS
3.51%
probability of exploitation in 30 days
CISA KEV
Listed
confirmed active exploitation
News coverage
7
sources referencing this CVE
Related IOCs
4
seen in the same coverage
Intelligence Reports1
1 intelligence report available

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EPSS Trend
Sep 10, 2026 → Oct 26, 2026
▲ 3.22pp
0.29% → 3.51% over 6 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Connections
12 relationships
Timeline
disclosure → media coverage
Sep 9, 2026
Disclosure — published as a CVE record. · last revised by NVD Sep 21, 2026
Sep 9, 2026
helpnetsecurity.com reports: Google fixes yet another actively exploited Chrome zero-day (CVE-2026-87491)
Sep 9, 2026
thehackernews.com reports: Chrome V8 Zero-Day Exploited in the Wild Enables Code Execution Inside Sandbox
Sep 9, 2026
advisories.ncsc.nl reports: NCSC-2026-0354 [1.00] [M/H] Kwetsbaarheid verholpen in Google Chrome
Sep 10, 2026
malwarebytes.com reports: Update Chrome now to protect against an actively exploited vulnerability
Sep 16, 2026
theregister.com reports: Google Pixel phones pwned in zero-click attacks
Sep 22, 2026
redhotcyber.com reports: BlueMoon, Chrome è sotto attacco: un solo exploit buca browser e Windows
Sep 23, 2026
thehackernews.com reports: Chinese Hackers Exploit Chrome-Windows Zero-Day Chain to Deploy CLEANGULP Malware
Public PoC (1)
github.com/SneakyNachos/CVE-2026-87491-and-CVE-2026-85046-the-bagel-fell-off-the-counter
Unverified third-party code — review before executing.