CVE-2024-36343
📛 CVE Title
(no title)
Description
Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment (TSEG) memory region, potentially resulting in loss of confidentiality or integrity.
Overview
- State
- —
- Assigner (CNA)
- —
- CVSS severity
- critical
- CVSS score
- 9.8 / 10
- CVSS vector
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Effective score
- 9.8 / 10 CRITICAL source: CNA overview
- CWE(s)
- —
- Reserved
- —
- Published
- —
- Last updated
- —
- Source
- https://www.tenable.com/cve/CVE-2024-36343
- Linked Threat
- CVE-2024-36343 — CVE-2024-36343
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-05-19 22:16:35 UTC
- NVD last modified
- 2026-05-20 14:04:24 UTC
- EPSS score
- 0.0001 (probability of exploitation in next 30 days)
- EPSS percentile
- 0.27% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24
NVD-assigned CWE(s):
CWE-124
(differs from the CNA list above)
NVD / KEV / EPSS data refreshed 2026-05-25 00:10 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2024-55591 - Assigner
- AMD
- Published
- May 19, 2026, 9:03:09 PM
- Updated
- May 20, 2026, 1:46:23 PM
- EUVD base score (CVSS 4.0)
-
4.6 / 10
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N - EUVD-reported EPSS
- 0.0100
- Vendors
- AMD
- Products
-
AMD Ryzen™ 7000 Series Desktop Processors (patch: ComboAM5-PI_1.0.0.e)AMD Ryzen™ AI MAX (patch: StrixHaloPI-FP11_1.0.0.2b)AMD Ryzen™ Embedded V3000 Series Processors (patch: Embedded-PI_FP7r2 100F)AMD Ryzen™ Threadripper™ 7000 Processors (patch: StormPeakPI-SP6 1.1.0.0k)AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics (patch: DragonRangeFL1_1.0.0.3l)AMD Ryzen™ AI 300 Series Processors (patch: StrixKrackanPI-FP8_1.1.0.0f)AMD Ryzen™ 8000 Series Desktop Processors (patch: ComboAM5 1.2.0.3j)AMD EPYC™ 4005 (patch: ComboAM5 1.2.0.3j)AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics (patch: RembrandtPI-FP7_1.0.0.Bg)AMD Ryzen™ 9000 Series Desktop Processors (patch: ComboAM5 1.2.0.3j)AMD Ryzen™ 7000 Series Desktop Processors (patch: ComboAM5 1.2.0.3j)AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors (patch: StormPeakPI-SP6_1.1.0.0k)AMD Ryzen™ AI 300 Series Processors (patch: StrixKrackanPI-FP8_1.1.0.2e)AMD Ryzen™ Embedded 7000 Series Processors (patch: EmbeddedAM5PI 1.0.0.5)AMD Ryzen™ Embedded 9000 Series Processors (patch: EmbeddedAM5PI 1.0.0.7)AMD Ryzen™ Embedded 8000 Series Processors (patch: EmbeddedPhoenixPI-FP7r2_1.0.0.4)AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics (patch: PhoenixPI-FP8-FP7_1.2.0.0f)AMD Ryzen™ 8000 Series Desktop Processors (patch: ComboAM5PI 1.1.0.3g)AMD Ryzen™ 9000HX Series Mobile Processors (patch: FireRangeFL1PI 1.0.0.0f)AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors (patch: StormPeakPI-SP6 1.0.0.1m)AMD EPYC™ 4004 (patch: ComboAM5PI 1.1.0.3d)AMD Ryzen™ 7000 Series Desktop Processors (patch: ComboAM5PI 1.1.0.3g)
- Aliases
-
GHSA-qjgc-hx5r-r632
ENISA description: Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment (TSEG) memory region, potentially resulting in loss of confidentiality or integrity.
Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
Web references (5)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://nvd.nist.gov/vuln/detail/CVE-2024-36343 tenable:nvd.nist.gov
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html tenable:www.amd.com
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html tenable:www.amd.com
- https://www.cve.org/CVERecord?id=CVE-2024-36343 tenable:www.cve.org
- https://www.first.org/epss/ tenable:www.first.org
NVD-tagged references (2)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
Remediations (10)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:4sysops.com
Starting in April 2026, Windows updates will change the default Kerberos ticket issuance behavior to AES-SHA1 for accounts without explicit encryption settings, while RC4 can still be used where explicitly enabled. This change, driven by CVE -2026-20833, affects every Windows Server environment where service accounts or devices still rely on RC4. Any service account, NAS device, or legacy ...
2026-05-26 02:56 UTC -
web:attack.mitre.org
This mitigation can be implemented through the following measures: Regular Operating System Updates Implementation: Apply the latest Windows security updates monthly using WSUS (Windows Server Update Services) or a similar patch management solution. Configure systems to check for updates automatically and schedule reboots during maintenance ...
2026-05-26 02:56 UTC -
web:blog.qualys.com
Key Takeaways RedSun is a critical zero-day vulnerability in Microsoft Defender that allows low-privileged users to gain SYSTEM access No patch is currently available, leaving all Defender-enabled Windows systems potentially exposed Qualys VMDR detects affected assets instantly (QID 92382) TruRisk™ Eliminate enables immediate mitigation , removing exploitability without waiting for a fix ...
2026-05-26 02:56 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-05-26 02:56 UTC -
web:nvd.nist.gov
Secure .gov websites use HTTPS A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
2026-05-26 02:56 UTC -
web:www.computerworld.com
Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...
2026-05-26 02:56 UTC -
web:www.cve.org
At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures
2026-05-26 02:56 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-05-26 02:56 UTC -
web:www.tomshardware.com
Microsoft released security update KB5034441 on Patch Tuesday to fix a BitLocker encryption bypass vulnerability affecting Windows 10 users. However, some users are experiencing an update failure ...
2026-05-26 02:56 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-05-26 02:56 UTC
AI Forensic Analysis
Only Available for Registered Users. Sign in to view.