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CVE-2026-62777Patch(microsoft / windows_10_1607)

LOWCVSS 7.8 · 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

Missing authentication for critical function in Windows License Manager allows an authorized attacker to elevate privileges locally.

microsoft CVEsBack to dashboard
1.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-306

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 3 signals
  • Technical details provided in 3 signals
  • Peaked 1d ago at 2 mentions (2026-08-11); 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_2016windows_server_2019

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-08-11: 2Mentions · 2026-08-12: 1Patch / Workaround · 2026-08-11: 2Patch / Workaround · 2026-08-12: 1Technical Details · 2026-08-11: 2Technical Details · 2026-08-12: 108-1108-12
Signal classification1 categories
Patch
3100.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-08-112
Patch2
2026-08-121
Patch1
Full discourse3 posts
  • Bakabaka_9@9_bakabaka
    Patch

    We find a LPE vulnerability in Windows License Manager and fix with August Security Update However, this vulnerability hide in Windows Almost 10 years and nobody find it until this year PoC soon 🔜 More Details: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62777

    Post summary

    The post highlights a Local Privilege Escalation vulnerability in the Windows License Manager that has already been fixed by the August 2026 security update, with a proof of concept expected soon.

    01040418
    186 followersView on X
  • VulniPulse@vulnipulse
    Patch

    ⚠️ HIGH CVE ALERT CVE-2026-62777 · MS Server Windows Server 2016 (Server Core install · CVSS 7.8 Attackers could elevate privileges. Upgrade to a vendor-listed fixed release. 🔎 Full advisory: https://vulnipulse.com/advisories/microsoft-cve-2026-62777 #CyberSecurity #CVE #Microsoft #WindowsServer

    Post summary

    The advisory announces CVE-2026-62777, a privilege‑elevation vulnerability affecting Windows Server 2016, and urges users to apply the vendor‑issued patch to mitigate the risk.

    1000083
    7 followersView on X
  • Windows Forum@windowsforum
    Patch

    🛡️ CVE-2026-62777 lets attackers climb Windows’ privilege ladder via License Manager. Microsoft’s details are thin, but the fix isn’t: install August updates before the exploit rumors arrive. https://windowsforum.com/security-alerts.84/cve-2026-62777-patch-windows-license-manager-eop.442625/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #PatchTuesday #Cve202662777 https://t.co/rVDZqShgku

    Post summary

    The tweet alerts users to CVE-2026-62777, a privilege‑escalation flaw in Windows’ License Manager, and urges installing the August 2026 updates to patch the issue before any exploitation occurs.

    0000052
    1.3K followersView on X
CPE platform detail22 entries

22 of 22 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_2016---
OSmicrosoftwindows_server_2019---
OSmicrosoftwindows_server_2022---
OSmicrosoftwindows_server_2025--x64

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