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Apexward Pulse
Type Vulnerability

Windows Overlay Filter Information Disclosure Vulnerability

1 sourceCVE-2026-108409

At a glance

Low
30-day window, from the last update
None observed
Evidence-weighted, not popularity
Why Low

Low rather than Medium: UK relevance is 40 of 100, little UK-specific signal so far.

Briefing

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

Questions to ask IT

  • Are we affected by CVE-2026-108409, and which of our systems would be?
  • If it is not yet patched, what mitigation is in place, and will the fix be done by 10 Dec?

Next steps

  1. Confirm whether this affects systems or suppliers in your estate

Summary

  • Exposure of sensitive system information to an unauthorised control sphere in Windows Overlay Filter allows an authorised attacker to disclose information locally.

Read the original reportMicrosoft Security Update Guide RSS(opens in a new tab)

Pulse

Last change 60m ago · Next recheck 11 Nov 2026, 19:03 UK time

  1. Story10 Nov 2026, 19:03 UK time · 60m ago

    Linked reporting from Microsoft Security Update Guide RSS (vendor psirt).

    Read source (Microsoft Security Update Guide RSS)

1 entry so far. The timeline chart appears once this story has more history.

Sources

How we know

Statements extracted from sources. Higher confidence means stronger corroboration.

  • ClaimedHeadline60% confidence

    Windows Overlay Filter Information Disclosure Vulnerability

  • ProbableSummary fact75% confidence

    Exposure of sensitive system information to an unauthorised control sphere in Windows Overlay Filter allows an authorised attacker to disclose information locally.

  • ConfirmedCVE identifier95% confidence

    Event involves CVE-2026-108409