Cyber Resilience

CVE-2026-9879

HighUpdated

Published: 28 May 2026

Published
28 May 2026
Modified
17 June 2026
KEV Added
—
Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0029 20.8th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-9879 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Google Chrome. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Drive-by Compromise (T1189); ranked at the 20.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Out of bounds write in ANGLE in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

CWE(s)
CWE-787

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1189 Drive-by Compromise Initial Access
Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
Why these techniques?

Browser RCE via crafted HTML page directly enables drive-by compromise and client-side exploitation.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2022-0797Same product: Apple Macos
CVE-2016-5198Same product: Apple Macos
CVE-2012-0754Same product: Linux Linux Kernel
CVE-2022-30659Same product: Apple Macos
CVE-2023-22237Same product: Apple Macos
CVE-2021-21152Same product: Google Chrome
CVE-2021-21149Same product: Google Chrome
CVE-2021-46817Same product: Apple Macos
CVE-2022-30662Same product: Apple Macos
CVE-2021-44180Same product: Apple Macos

Affected Assets

google
chrome
≤ 148.0.7778.216 · ≤ 148.0.7778.215

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References