SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-48581

Insufficient granularity of access control in Microsoft Surface allows an authorized attacker to elevate privileges locally.

HIGH 7.8EPSS 0.30%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Insufficient granularity of access control in Microsoft Surface allows an authorized attacker to elevate privileges locally.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.30% probability · 22th percentile
CISA KEV
Not listed
Weakness
CWE-1220
Affected
microsoft/surface go 2 1901 firmware · microsoft/surface go 2 1926 firmware · microsoft/surface go 2 1927 firmware · microsoft/surface go 3 1901 firmware · microsoft/surface go 3 1926 firmware · microsoft/surface go 3 2022 firmware · microsoft/surface hub firmware · microsoft/surface hub 2s firmware · microsoft/surface hub 2s 85 firmware · microsoft/surface hub 3 50 firmware · microsoft/surface hub 3 85 firmware · microsoft/surface laptop go 1943 firmware · microsoft/surface laptop go 2 2013 firmware · microsoft/surface laptop go 3 2013 firmware · microsoft/surface pro 7\+ 1960 firmware · microsoft/surface pro 7\+ with lte advanced 1961 firmware · microsoft/surface pro 8 1983 firmware · microsoft/surface pro 8 for business 1983 firmware · microsoft/surface pro 8 for business with lte advanced 1982 firmware · microsoft/surface laptop 4 1979 firmware · +7 more
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.