HOMEVULNERABILITIESCVE-2026-48576
HIGH

CVE-2026-48576

CWE-1329Published: June 9, 2026· Updated: Jun 10, 2026

7.9
CVSS v3.1
EPSS:0.32%probability of exploitation in 30 daysPercentile:55.7th

Official Description

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

NVD Source

Technical Analysis

CVE-2026-48576 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 7.9.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeChanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

Affected Vendors & Products

Microsoft13 products
windows 10 1607windows 10 1809windows 10 21h2windows 10 22h2windows 11 23h2windows 11 24h2windows 11 25h2windows 11 26h1windows server 2012windows server 2016windows server 2019windows server 2022+1 more
Source: NVD CPE · 14 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (1)

Quick Facts

CVE IDCVE-2026-48576
CVSS Score7.9 / 10
SeverityHIGH
WeaknessCWE-1329
CISA KEVNo
EPSS (30d)0.32%
Affected1 vendor
PublishedJun 9, 2026

Related CVEs (CWE-1329)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-48576 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.