Signal is active with 2 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the device, with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09963054; Issue ID: MSV-3899.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
STABLE
If you run products in this scope, you should treat this CVE as relevant to your environment.
1 version affected across 2 products
| Date | Total | Labels |
|---|
| 2026-04-07 | 3 | Disclosure1General2 |
| 2026-04-19 | 2 | Disclosure2 |
CVE-2026-20446 In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the… https://www.cve.org/CVERecord?id=CVE-2026-20446
Post summary
The brief report announces CVE‑2026‑20446 with a technical description of an integer‑overflow‑based out‑of‑bounds write that could lead to local denial of service with physical access.
🚨*CVE* CVE-2026-20446 In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the… https://www.cve.org/CVERecord?id=CVE-2026-20446 ----- Traducción: CVE-2026-20446 En … http://infoflow.cloud`
Post summary
The tweet announces CVE‑2026‑20446, detailing an integer‑overflow out‑of‑bounds write that could allow a local denial‑of‑service attack, but it does not mention PoCs, exploits, active use, or patches.
CVE-2026-20446 Integer Overflow Out of Bounds Write in Secure Boot Local Denial of Service https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-20446
Post summary
The text announces CVE-2026-20446 as an integer overflow leading to a local denial of service in Secure Boot and points to a Vulmon details page.
⚡ New CVE Alert: CVE-2026-20446 🚨 Risk Level: Unknown 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-20446 #CVE-2026-20446 #CVE #CyberSecurity #InfoSec https://t.co/T0hemw7BPi
Post summary
A new CVE-2026-20446 alert is posted with reference to the NVD, but no additional detail on risk level, affected products, or exploit status is given.
🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-20446 - "Microsoft Secure Boot integer overflow allows local denial of service and physical device compromise" Intel Report: https://ift.tt/z1CbjDY
Post summary
The post flags CVE-2026-20446, an integer overflow in Microsoft Secure Boot that can cause local denial of service and device compromise, but offers no PoC, exploit, or remediation details.
2 of 2 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| HW | mediatek | mt6813 | - | - | - |
| OS | mediatek | mt6813_firmware | - | - | - |