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Threats / Google / CVE-2026-5281
CVE-2026-5281 · EUVD no mirror located · GCVE no mirror located Verified 2026-06-22

Google Dawn vulnerability

Google Dawn contains a use-after-free vulnerability (CWE-416) that allows remote code execution through crafted HTML pages after renderer process compromise.

Verdict

Today item — known-exploited.

A remote attacker with prior renderer process compromise can exploit this use-after-free flaw to execute arbitrary code via malicious HTML, affecting Google Dawn and related Chromium-based products.

CISA KEV Yes · 2026-04-013EPSS 0.05492 (verify live)4Exploit Public PoC5
01

Is it exploitable?

— the evidence, ranked above the score
Exploit available
Public proof-of-concept exploit code is cataloged for this vulnerability.We link the existence of the exploit; we do not host or redistribute payloads.
Reported exploitation
3 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-04-01).
CISA KEV ↗Confirmed
Probability (EPSS)
EPSS 0.05492 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Google, Dawn. Confirm exact fixed builds in the vendor advisory.
NVD ↗Reported
Weakness (CWE)
Mapped to CWE-416 Use After Free — weakness family: Memory safety.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
NVD ↗Reported
WeaknessCWE-416 · Use After FreeMemory safety
02

Who’s exploiting it?

— attribution turns risk into urgency
Attribution not established

No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.

03

Why it matters

— the attack path, told twice: adversary, then board
1

Front door — unauthenticated access narrative 1

Attacker
Craft and deliver HTML content designed to trigger use-after-free conditions in the renderer process.
Business
Exposure to remote code execution attacks targeting users who visit attacker-controlled or compromised web content.
2

Keys to the kingdom — privilege/identity takeover narrative 2

Attacker
Execute arbitrary code within the context of the compromised renderer process to escalate privileges or pivot to system resources.
Business
Risk of data theft, system compromise, and lateral movement within user environments running affected Chromium-based browsers.
04

What to do

— defensible action
  • Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05

Coverage & confidence

— what we know, and what we don’t

Established (cited)

  • KEV listing (CISA)
  • EPSS probability (FIRST)
  • Public PoC available (VulnCheck)
  • 3 reported-exploitation source(s)
  • CWE weakness mapping (NVD)
  • Public exploit availability
  • Catalogued by Chrome (CNA)
  • Coverage gaps — stated, not hidden

  • No EUVD / GCVE mirror in feed — single-authority dependency for the identifier.
  • EPSS & exposure are time-varying; verify live at the source.
  • Threat-actor attribution not established from feed data — absence of a name is not absence of compromise.
  • No finder/reporter credit recorded in the public CVE entry — the work behind this find is unattributed.
  • Disclosure & credit2
    Catalogued by ChromeCNA
    Credited with finding itNo finder named in the public CVE record — the work behind this find is unattributed.