CVE-2026-85884

LOWCVSS 7.8 · HIGH

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

Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to elevate privileges locally.

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0.0/ 10 priority

Sources & remediation

Other references

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85884

Weakness type (CWE)

CWE-306

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Referenced assets2 URLs

By indicator

Full discourse1 post

dbugs@ptdbugs17h
A PoC/exploit has been discovered for vulnerability CVE-2026-85884 PT ID: PT-2026-112837 Read on dbugs: https://dbu.gs/vulnerability/PT-2026-112837 Vendor: Microsoft Products: • Windows 11 Version 24H2 • Windows 11 Version 25H2 • Windows 11 version 26H1 • Windows 11 Version 26H2 Description: Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to elevate privileges locally. Link: https://github.com/beardhammer/cve-2026-85884
00000229
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