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Apexward Pulse
Type Vulnerability

Microsoft · Memory corruption

Microsoft Windows Out-of-Bounds Read Vulnerability

1 sourceCVE-2023-36424

At a glance

Medium
7-day window, from the last update
ActiveConfirmed in-the-wild exploitation
Evidence-weighted, not popularity
Signal

Actively exploited in the wild — prioritise confirming exposure.

Why Medium

Medium rather than High: exposure is scored at a default because we cannot see your systems or suppliers. If you run or depend on Microsoft Windows, treat it as High.

Briefing

  • Do not treat uncorroborated claims as confirmed breaches.

Questions to ask IT

  • Do we run Microsoft Windows, and which versions?
  • Is any of it reachable from the internet?
  • Have we checked whether it has already been used against us?
  • If it is not yet patched, what mitigation is in place, and will the fix be done by 14 Nov?

Next steps

  1. Confirm exposure and remediation status for affected products

Summary

  • CVE-2023-36424 is confirmed as exploited in the wild (US known-exploited catalogue)
  • Authoritative catalogues report active exploitation of this vulnerability.

Why this matters in the UK

  • Known-exploited catalogue reports exploitation in the wild

Products and services involved

Pulse

Last checked 19h ago · Next recheck 8 Nov 2026, 20:33 UK time

Update
7 Nov 2026, 20:33 UK time · 19h ago

Suggested changed to 7d.

Listed on the — prioritise confirming exposure and patching.

EscalationDe-escalationCritical / liveWhat these mean
Drag to pan · Ctrl / ⌘ + scroll or pinch to zoom9 events

2 quiet checks hidden.

Sources

How we know

Statements extracted from sources. Higher confidence means stronger corroboration.

  • ConfirmedHeadline90% confidence

    Microsoft Windows Out-of-Bounds Read Vulnerability

  • ConfirmedCVE identifier95% confidence

    Event involves CVE-2023-36424

  • ConfirmedKnown-exploited catalogue98% confidence

    CVE-2023-36424 is confirmed as exploited in the wild (US known-exploited catalogue)