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CVE-2026-69449Disclosure(microsoft / windows_10_1607)

LOWCVSS 6.7 · MEDIUM

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

Heap-based buffer overflow in Windows BitLocker allows an authorized attacker to execute code locally.

microsoft CVEsBack to dashboard
1.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-122

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
  • 4 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 4 signals
  • Disclosure: 3 classified signals
  • Peaked 2d ago at 2 mentions (2026-09-09); latest day: 1
  • 4 total mentions across 3 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 timeline4 mentions / 3d
01122Mentions · 2026-09-09: 2Mentions · 2026-09-10: 1Mentions · 2026-09-14: 1Patch / Workaround · 2026-09-09: 2Technical Details · 2026-09-09: 2Technical Details · 2026-09-10: 1Technical Details · 2026-09-14: 109-0909-1009-14
Signal classification2 categories
Disclosure
375.0%
Patch
125.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-09-092
Disclosure1Patch1
2026-09-101
Disclosure1
2026-09-141
Disclosure1
Full discourse4 posts
  • ابو سعود 💻@AbuSaud_Cyber
    Disclosure

    سمعتوا عن ثغرة جديدة طلعت في BitLocker؟ 🛡️ مايكروسوفت أعلنت عن خلل أمني في ميزة تشفير القرص المدمجة في ويندوز، والخلل هذا يقدر يخلي المهاجم ينفذ كود خبيث على الجهاز المصاب. الثغرة مسجلة باسم CVE-2026-69449 وطلع خبرها بتاريخ 8 سبتمبر 2026، وسببها heap-based buffer overflow في كود BitLocker، وتصنيف خطورتها "Important". وأي مهاجم مصرح له يستغل هالثغرة يقدر ينفذ arbitrary code محليًا.

    Post summary

    The text announces a new BitLocker vulnerability (CVE-2026-69449) with technical details but does not mention active exploitation, patches, or PoC. Primary classification is Disclosure due to lack of remediation or exploitation indicators.

    00010345
    1.9K followersView on X
  • BreachBriefs@BreachBrief
    Disclosure

    🚨 Windows BitLocker Flaw Could Enable Code Execution Microsoft disclosed CVE-2026-69449, an Important-severity heap-based buffer overflow affecting Windows BitLocker. 🔴 Key highlights: Potential impact: Remote code execution CVSS 3.1: 6.7 Attack vector: Local access required Complexity: Low Privileges: High User interaction: Not required CWE: CWE-122 — Heap-based Buffer Overflow ⚠️ Despite the RCE classification, this is not an internet-remotely exploitable flaw. An attacker needs local access and high privileges, making post-compromise scenarios the key concern. No public exploitation details or confirmed in-the-wild attacks are indicated in the provided advisory information. #Cybersecurity #Windows #BitLocker #Microsoft #ZeroDay #InfoSec

    Post summary

    Microsoft discloses CVE-2026-69449 as an important heap-based buffer overflow in Windows BitLocker that allows local high‑privilege attackers to execute code; no active exploitation reported.

    0000078
    10 followersView on X
  • SQ Magazine@sqmagazine_news
    Patch

    Critical BitLocker flaw enables code execution across supported Windows systems. Microsoft urges users to patch now. 🚨 👉🏻 https://sqmagazine.co.uk/microsoft-bitlocker-rce-flaw-cve-2026-69449/ #Cybersecurity #Windows

    Post summary

    The tweet highlights a critical BitLocker RCE vulnerability (CVE‑2026‑69449) and urges Microsoft users to apply the available patch immediately.

    0000039
    28 followersView on X
  • The Daily Tech Feed@dailytechonx
    Disclosure

    A newly disclosed Windows BitLocker vulnerability (CVE-2026-69449) could let attackers execute arbitrary code via local or network paths. Affected versions span Windows 10, Windows 11, and all recent Windows Server releases. Microsoft rates the risk “Important” yet “Exploitation Less Likely,” and has issued fixes in September 2026 KB updates—patches like KB5124012, KB5122871, KB5122882 among others. If you manage devices with BitLocker, updating isn’t optional—it’s critical. #Windows #BitLocker #SecurityNews #Vulnerability #PatchManagement #Cybersecurity #BitLocker #Windows #Vulnerability #Security #PatchManagement #Cybersecurity https://thedailytechfeed.com/critical-windows-bitlocker-flaw-lets-attackers-execute-code-remotely/

    Post summary

    A newly disclosed Windows BitLocker flaw (CVE-2026-69449) allowing arbitrary code execution, patched in September 2026, with no evidence of active exploitation or a PoC.

    00000115
    720 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--x64
OSmicrosoftwindows_server_2019--x64
OSmicrosoftwindows_server_2022--x64
OSmicrosoftwindows_server_2025--x64

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