CVE-2026-48576Disclosure(microsoft / windows_10_1607)

LOWCVSS 7.9 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft windows_10_1607 systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

1.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-1329

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

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

  • windows_10_1607
  • windows_10_1809
  • windows_10_21h2
  • windows_10_22h2

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-06-09); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
Products
windows_10_1607windows_10_1809windows_10_21h2windows_10_22h2windows_11_23h2windows_11_24h2windows_11_25h2windows_11_26h1windows_server_2012windows_server_2016

2 versions affected across 13 products

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-06-09: 2Mentions · 2026-06-10: 1Patch / Workaround · 2026-06-09: 1Technical Details · 2026-06-09: 1Technical Details · 2026-06-10: 106-0906-10
Signal classification2 categories
Disclosure
266.7%
Patch
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-06-092
Disclosure1Patch1
2026-06-101
Disclosure1
Full discourse3 posts
  • Alon Leviev@alon_leviev
    Patch

    10 Secure Boot & BitLocker bypasses I reported are fixed in today's Patch Tuesday: CVE-2026-45588, CVE-2026-45654, CVE-2026-45655, CVE-2026-45656, CVE-2026-48568, CVE-2026-48570, CVE-2026-48573, CVE-2026-48575, CVE-2026-48576, CVE-2026-48578 Advisory: https://msrc.microsoft.com/update-guide/releaseNote/2026-Jun

    Post summary

    The post announces that several Secure Boot and BitLocker bypass CVEs have been fixed in the latest Patch Tuesday, providing a link to the official Microsoft advisory.

    315083196.1K
    1.5K followersView on X
  • DailyCVE@dailycve
    Disclosure

    🔴 #Windows Secure Boot, Security Feature Bypass, #CVE-2026-48576 (High) -DC-Jun2026-363 https://dailycve.com/windows-secure-boot-security-feature-bypass-cve-2026-48576-high-dc-jun2026-363/

    Post summary

    Announces a high‑severity Windows Secure Boot security feature bypass (CVE‑2026‑48576), linking to a DailyCVE article, without providing PoC, exploit, or patch details.

    0000033
    210 followersView on X
  • WindowsForum@windowsforum
    Disclosure

    🪟 Secure Boot bypass #CVE-2026-48576 isn’t just “another CVE”—it’s Microsoft stress-testing the trust chain right when admins are already rotating expiring certs. Fun. 🙃 #Windows #Microsoft #Security https://windowsforum.com/threads/cve-2026-48576-secure-boot-bypass-windows-boot-trust-readiness-in-2026.424416/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #SecureBoot #FirmwareUpdates https://t.co/UW0Zmwawvf

    Post summary

    The tweet announces a new Secure Boot bypass vulnerability (CVE-2026-48576) with no PoC, exploit, or patch details provided.

    0000038
    1.2K followersView on X
CPE platform detail24 entries

24 of 24 entries

PartVendorProductVersionTarget SWTarget HW
OSmicrosoftwindows_10_1607--x64
OSmicrosoftwindows_10_1607--x86
OSmicrosoftwindows_10_1809--x64
OSmicrosoftwindows_10_1809--x86
OSmicrosoftwindows_10_21h2--arm64
OSmicrosoftwindows_10_21h2--x64
OSmicrosoftwindows_10_21h2--x86
OSmicrosoftwindows_10_22h2--arm64
OSmicrosoftwindows_10_22h2--x64
OSmicrosoftwindows_10_22h2--x86
OSmicrosoftwindows_11_23h2--arm64
OSmicrosoftwindows_11_23h2--x64
OSmicrosoftwindows_11_24h2--arm64
OSmicrosoftwindows_11_24h2--x64
OSmicrosoftwindows_11_25h2--arm64
OSmicrosoftwindows_11_25h2--x64
OSmicrosoftwindows_11_26h1--arm64
OSmicrosoftwindows_11_26h1--x64
OSmicrosoftwindows_server_2012---
OSmicrosoftwindows_server_2012r2--
OSmicrosoftwindows_server_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025--x64

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