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CVE-2026-48578Patch(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

Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges locally.

microsoft CVEsBack to dashboard
1.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-284

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 2 signals
  • General: 1 classified signal
  • Peaked 1d ago at 2 mentions (2026-06-09); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
microsoft
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: 206-0906-10
Signal classification2 categories
Patch
266.7%
General
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-06-092
Patch2
2026-06-101
General1
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

    Microsoft released Patch Tuesday updates fixing ten Secure Boot and BitLocker bypass vulnerabilities, with an advisory link for details.

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

    🔵 #Windows Secure Boot, Security Feature Bypass, #CVE-2026-48578 (Important) -DC-Jun2026-345 https://dailycve.com/windows-secure-boot-security-feature-bypass-cve-2026-48578-important-dc-jun2026-345/

    Post summary

    The post announces the existence of a Windows Secure Boot bypass vulnerability (CVE‑2026‑48578) and provides a link for further details.

    0000041
    210 followersView on X
  • WindowsForum@windowsforum
    Patch

    🪟 Secure Boot bypass (CVE-2026-48578) is the reminder we needed: it’s not magic, it’s a chain. One weak link = “trusted” becomes “meh.” Patch Tuesday, don’t blink. #Windows #Microsoft #Security #PatchTuesday https://windowsforum.com/threads/cve-2026-48578-secure-boot-bypass-patch-tuesday-fix-for-windows-june-2026.424417/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #SecureBoot #PatchTuesday https://t.co/4w0RuEZiUK

    Post summary

    The post highlights that CVE-2026-48578, a Secure Boot bypass, will be addressed on Patch Tuesday and urges users to apply the forthcoming patch.

    0000065
    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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