PatchSiren cyber security CVE debrief

CVE-2026-113273 Google CVE debrief

CVE-2026-113273 debrief based on the supplied source corpus. The CVE record was published on 2026-10-20T21:01:51.982Z. This memory corruption vulnerability in ANGLE in Google Chrome could allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. Defenders should assess exposure and prioritize updates to 156.0.8078.47 or later. The CVE record has not been modified since its publication. Key details include the vulnerability's high severity and the need for immediate Chrome version verification and updates.

Vendor: Google
Product: Chrome
CVSS: Unknown
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-10-20
Original CVE updated: 2026-10-21
Advisory published: 2026-10-20
Advisory updated: 2026-10-21

Who should care

Defenders responsible for Chrome deployments should assess exposure and prioritize updates to 156.0.8078.47 or later. This includes IT teams managing Chrome installations, security teams monitoring for potential threats, and operators of systems that use Chrome for critical functions. Vulnerability management and security teams should also review and implement secure coding practices for ANGLE to prevent similar vulnerabilities in the future.

Why it matters

CVE-2026-113273 is a memory corruption vulnerability in ANGLE in Google Chrome that could allow a remote attacker to execute arbitrary code inside the sandbox. Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later.

Potential for arbitrary code execution inside the sandbox
Need for verification of Chrome versions and updates
Possible impact on Chrome users via crafted HTML pages
Importance of secure coding practices for ANGLE

Technical summary

Memory corruption in ANGLE in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability is a result of improper handling of certain graphics operations. Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later to mitigate this high-severity threat. The vulnerability's impact is contained within the sandbox, but it still poses a significant risk due to potential for code execution. Secure coding practices for ANGLE and monitoring for suspicious activity are also recommended.

Defensive priority

Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later.

Recommended defensive actions

Verify Chrome versions and update to 156.0.8078.47 or later
Review and implement secure coding practices for ANGLE
Monitor for suspicious activity related to crafted HTML pages
Conduct vulnerability scanning to identify exposed Chrome deployments
Review system logs for indicators of compromise
Implement compensating controls for exposed systems
Track remediation progress and verify fixes

Evidence notes

The CVE record and source item provide details on the memory corruption vulnerability in ANGLE in Google Chrome prior to 156.0.8078.47. Evidence is limited to public sources and CVE metadata. Defenders should verify Chrome versions and update to 156.0.8078.47 or later. The source item and CVE record provide official details, but additional information may be needed for comprehensive risk assessment.

Sources and references

Verified primary and authoritative sources

CVE-2026-113273 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-113273

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-113273 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113273

NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

CVE-2026-113273
Unverified legacy reference

URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113273.json

cve_program_cvelist_v5
Source reference
Unverified legacy reference

URL: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html

Supplemental source
Source reference
Unverified legacy reference

URL: https://issues.chromium.org/issues/561999377

Supplemental source

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.