Privilege escalation
Windows DWM Core Library Elevation of Privilege Vulnerability
At a glance
Low rather than Medium: UK relevance is 40 of 100, little UK-specific signal so far.
Briefing
- IT leaders should assess whether systems using the Windows DWM Core Library are exposed to privilege elevation risks.
Questions to ask IT
- Are we affected by CVE-2026-105582, 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
- Confirm whether this affects systems or suppliers in your estate
Vulnerability facts
Full CVE detail CVE-2026-105582- 7.0 · HighExploitable only with local access and a low-privilege account, under specific conditions, and no one has to click or open anything. High impact on confidentiality, integrity and availability.CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Not listed
- Not linked from the CVE record
- The vulnerability allows an authorised attacker to elevate privileges locally through a release of invalid pointer or reference in the
Next steps
- Review the advisory against your asset inventory and patch cadence
Summary
- A vulnerability in the Windows DWM Core Library could allow an authorised attacker to elevate privileges locally.
- The issue involves a release of invalid pointer or reference in the
Read the original reportMicrosoft Security Update Guide RSS(opens in a new tab)
Pulse
Last change 1h ago · Next recheck 11 Nov 2026, 19:03 UK time
- Story10 Nov 2026, 19:03 UK time · 1h 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
CVE-2026-105582 Windows DWM Core Library Elevation of Privilege Vulnerability
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
Windows DWM Core Library Elevation of Privilege Vulnerability
- ProbableSummary fact75% confidence
Release of invalid pointer or reference in Windows DWM Core Library allows an authorised attacker to elevate privileges locally.
- ConfirmedCVE identifier95% confidence
Event involves CVE-2026-105582