CVE-2026-44811General(microsoft / windows_11_26h1)

LOWCVSS 7.8 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

Patch microsoft windows_11_26h1 systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

microsoft CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44811

Weakness type (CWE)

CWE-20CWE-122CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

windows_11_26h1

Threat summary

Patch or workaround signal is available
2 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
General: 1 classified signal
2 total mentions across 1 day

Affected systems

Vendors

microsoft

Products

windows_11_26h1

Deep dive

Activity timeline2 mentions / 1d

Signal classification2 categories

General

150.0%

Patch

150.0%

Referenced assets6 URLs

By indicator

Full discourse2 posts

Thanatos Tian@HototogisuTian136d
Patch
6 vulnerabilities I reported were addressed in Microsoft's June Patch Tuesday. This is my first DWM vulnerability found through vulnerability hunting. Hoping to find more in Windows graphics components. CVE-2026-44811: https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-44811
Post summary
The post announces that CVE‑2026‑44811, a DWM vulnerability, was fixed in Microsoft’s June Patch Tuesday and provides a link to the official advisory; no PoC, exploit, or active attack information is disclosed.
1001075
25 followersView on X
Thanatos Tian@HototogisuTian136d
General
CVE-2026-40409: https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-40409 CVE-2026-42968: https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-42968 CVE-2026-42974: https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-42974 CVE-2026-42981: https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-42981 CVE-2026-44811: https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-44811 CVE-2026-45638: https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-45638
Post summary
The passage lists several Microsoft CVEs with links to MSRC advisories but offers no additional details on PoCs, exploits, active use, patches, or technical specifications.
0000071
25 followersView on X

CPE platform detail2 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

2 of 2 entries

Part	Vendor	Product	Version	Target SW	Target HW
OS	microsoft	windows_11_26h1	-	-	arm64
OS	microsoft	windows_11_26h1	-	-	x64

Explore more

Back to dashboard microsoft CVEs windows_11_26h1 vulnerabilities