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Type Vulnerability

Palo Alto Networks · Memory corruption

PHP Memory Corruption Vulnerability

9 sourcesCVE-2026-109618CVE-2026-109619

At a glance

High
Suggested 24-hour window, counted from the last update
ActiveConfirmed in-the-wild exploitation
Evidence-weighted, not popularity
Signal

Actively exploited in the wild — prioritise confirming exposure.

Why High

High rather than Critical: exposure is scored at a default because we cannot see your systems or suppliers. If you run or depend on Palo Alto Networks PAN-OS, treat it as Critical.

Briefing

There is no written leader briefing for this story yet. These questions come from the facts we hold.

Questions to ask IT

  • Do we run Palo Alto Networks PAN-OS and PHP Group PHP, 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 still not patched, what mitigation is in place, and what is holding the fix up?

Next steps

  1. Confirm exposure and remediation status for affected products

Summary

  • CISA has added two new vulnerabilities to its known-exploited catalogue and updated the
  • CVE-2026-109618 is confirmed as exploited in the wild (US known-exploited catalogue)
  • CVE-2026-109618 has an estimated ~100% chance of attack in 30 days (100th percentile) as of 2026-11-02 — probability signal, not confirmed exploitation
  • Authoritative catalogues report active exploitation of this vulnerability.

Read the original reportSecurityWeek(opens in a new tab)

Products and services involved

Same event, different frames

Distinct often headline the same incident differently.

Pulse

Last checked yesterday · Recheck overdue since 8 Nov 2026, 10:10 UK time

Story
3 Nov 2026, 12:04 UK time · 5d ago

Linked reporting from CISA Cybersecurity Advisories (official authority).

Review the new source against your estate and the next steps in the briefing.

Read source (CISA Cybersecurity Advisories)
EscalationDe-escalationCritical / liveWhat these mean
Drag to pan · Ctrl / ⌘ + scroll or pinch to zoom16 events

2 quiet checks hidden.

Sources

How we know

Statements extracted from sources. Higher confidence means stronger corroboration.

  • ClaimedHeadline60% confidence

    PHP Memory Corruption Vulnerability

  • ProbableSummary fact75% confidence

    CISA has added two new vulnerabilities to its known-exploited catalogue and updated the

  • ConfirmedCVE identifier95% confidence

    Event involves CVE-2026-109618

  • ConfirmedKnown-exploited catalogue98% confidence

    CVE-2026-109618 is confirmed as exploited in the wild (US known-exploited catalogue)

  • ConfirmedEstimated attack likelihood95% confidence

    CVE-2026-109618 has an estimated ~100% chance of attack in 30 days (100th percentile) as of 2026-11-02 — probability signal, not confirmed exploitation

  • ConfirmedCVE identifier95% confidence

    Event involves CVE-2026-109619

  • ConfirmedKnown-exploited catalogue98% confidence

    CVE-2026-109619 is confirmed as exploited in the wild (US known-exploited catalogue)

  • ConfirmedEstimated attack likelihood95% confidence

    CVE-2026-109619 has an estimated ~100% chance of attack in 30 days (100th percentile) as of 2026-11-02 — probability signal, not confirmed exploitation