CVE-2026-62798Disclosure(microsoft / windows_11_23h2)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.

microsoft CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Patch / fix

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62798

Weakness type (CWE)

CWE-822

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_23h2
windows_11_24h2
windows_11_25h2
windows_11_26h1

Threat summary

1 mentions across 1 observed day

What's happening

Disclosure: 1 classified signal
1 total mentions across 1 day

Affected systems

Vendors

microsoft

Products

windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2025

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://windowsforum.com/security-alerts.84/cve-2026-62798-win32k-flaw-no-affected-builds-or-fix-kb.442631/?utm_source=x&utm_medium=social&utm_campaign=news_node84

Full discourse1 post

Windows Forum@windowsforum46d
Disclosure
🛡️ Microsoft published a Win32k info-disclosure CVE with no affected builds, CVSS score, exploit status or fix KB. It’s less a security advisory, more a mysterious Windows patchwork note. https://windowsforum.com/security-alerts.84/cve-2026-62798-win32k-flaw-no-affected-builds-or-fix-kb.442631/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #Win32K #PatchTuesday #Cve202662798 https://t.co/Q6rfjloi02
Post summary
Microsoft announced a Win32k info‑disclosure CVE but provided no details, affecting no builds, and no exploitation or patch information was disclosed.
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1.3K followersView on X

CPE platform detail9 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

9 of 9 entries

Part	Vendor	Product	Version	Target SW	Target HW
OS	microsoft	windows_11_23h2	-	-	arm64
OS	microsoft	windows_11_23h2	-	-	x64
OS	microsoft	windows_11_24h2	-	-	arm64
OS	microsoft	windows_11_24h2	-	-	x64
OS	microsoft	windows_11_25h2	-	-	arm64
OS	microsoft	windows_11_25h2	-	-	x64
OS	microsoft	windows_11_26h1	-	-	arm64
OS	microsoft	windows_11_26h1	-	-	x64
OS	microsoft	windows_server_2025	-	-	-

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