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Chromium: CVE-2026-118317 Memory corruption in HTML

No KEV listing collectedCVSS not publishedFix not stated

Assessment

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

Severity
Important
CVSS base score
Not published
Impact
Not stated
Exploitation detected
Unknown: not stated by MSRC
Exploitability
Not assessed
Publicly disclosed
Unknown: not stated by MSRC
EPSS · 30-day forecast
No EPSS score collected
Customer action
Required: follow the MSRC remediation guidance
More details
Public detection template
No Nuclei template is listed in the current collected catalog
Component
Microsoft Edge (Chromium-based)
Weakness
—
Issued by
Chrome
Published
31 Oct 2026 · October 2026
Last revised
31 Oct 2026

Updates that fix it

0 KBs

No KB listed

No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.

Affected products

Browser

What changed

  1. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  2. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  3. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  4. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  5. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  6. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (24)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 13 Nov 2026 · 12:10:20 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  2. 13 Nov 2026 · 12:10:20 UTC Source coverage: public-exploit-codeIncomplete → Current
  3. 13 Nov 2026 · 12:10:20 UTC Source coverage: first-epssIncomplete → Current
  4. 13 Nov 2026 · 12:10:20 UTC Source coverage: msrc-cvrfIncomplete → Current
  5. 13 Nov 2026 · 11:07:20 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  6. 13 Nov 2026 · 11:07:20 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  7. 13 Nov 2026 · 11:07:20 UTC Source coverage: first-epssCurrent → Incomplete
  8. 13 Nov 2026 · 11:07:20 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  9. 6 Nov 2026 · 17:32:22 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  10. 6 Nov 2026 · 17:32:22 UTC Source coverage: public-exploit-codeIncomplete → Current
  11. 6 Nov 2026 · 17:32:22 UTC Source coverage: first-epssIncomplete → Current
  12. 6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
  13. 6 Nov 2026 · 16:31:02 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  14. 6 Nov 2026 · 16:31:02 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  15. 6 Nov 2026 · 16:31:02 UTC Source coverage: first-epssCurrent → Incomplete
  16. 6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  17. 2 Nov 2026 · 17:30:39 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  18. 2 Nov 2026 · 17:30:39 UTC Source coverage: public-exploit-codeIncomplete → Current
  19. 2 Nov 2026 · 17:30:39 UTC Source coverage: first-epssIncomplete → Current
  20. 2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
  21. 2 Nov 2026 · 16:27:39 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  22. 2 Nov 2026 · 16:27:39 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  23. 2 Nov 2026 · 16:27:39 UTC Source coverage: first-epssCurrent → Incomplete
  24. 2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2026-118317. The catalog has a separate collection scope from Microsoft release records.

More advisories, affected versions and source history

Exploitation and risk

Source status

CISA KEV lists vulnerabilities known to be exploited. FIRST EPSS estimates the likelihood of exploitation in the next 30 days. An unavailable score does not mean zero risk.

Which CVEs have scores here?

This view includes predictions for CVE identifiers explicitly listed in public NuGet advisories. Microsoft release pages have their own prediction coverage. Check source status for the scope and latest checks.

No exploitation or prediction data is available here for these CVEs. This does not mean they are safe or unlikely to be exploited.

cve-program · CVE-2026-118317

Published

Use after free in HTML in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Use after free in HTML in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Source published
27 Oct 2026 23:03:11 UTC
Source modified
3 Nov 2026 21:18:49 UTC
Saved here
3 Nov 2026 22:57:17 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 13 Nov 14:14 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current