Security readout for executives and security teams
Plain-English summary
CVE-2024-43522 is a high-severity Windows Local Security Authority elevation-of-privilege flaw. A local attacker with low privileges could potentially gain broad control over confidentiality, integrity, and availability on affected Windows 11 systems. Microsoft lists an official remediation, so patch status should drive urgency.
Executive priority
Treat this as a near-term patching priority for Windows 11 fleets. It is not documented as actively exploited in the provided sources, but successful exploitation could materially weaken endpoint trust and privilege boundaries.
Technical view
The source bundle describes a CWE-122 heap-based buffer overflow in Windows LSA. CVSS 3.1 is 7.0 with local attack vector, high complexity, low privileges required, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact. Exploit maturity is listed as unproven.
Likely exposure
Exposure is most likely on Microsoft Windows 11 22H2, Windows 11 22H3, and Windows 11 Version 23H2 hosts matching the listed builds and lacking Microsoft’s fix.
Exploitation context
The evidence does not show active exploitation: the CVE is not in KEV, and the CVSS exploit maturity value is unproven. Exploitation requires local access and low privileges, which makes compromised user accounts and multi-user endpoints relevant risk contexts.
Researcher notes
Sources are sparse beyond CVSS, CWE, affected Windows 11 entries, and MSRC remediation status. Avoid assuming exploit details, vulnerable code paths, or specific KBs unless confirmed by Microsoft guidance.
Mitigation direction
- Apply Microsoft security updates or guidance for CVE-2024-43522.
- Inventory affected Windows 11 versions and listed builds.
- Prioritize endpoints used by privileged staff or shared users.
- Check MSRC for any superseding update guidance.
- Restrict unnecessary local user privileges where feasible.
Validation and detection
- Confirm affected Windows 11 hosts have the Microsoft fix installed.
- Compare OS version and build data against the MSRC advisory.
- Review vulnerability scanner results for CVE-2024-43522.
- Verify no affected systems remain in high-risk user groups.
- Track remediation exceptions with owner and deadline.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-122: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-43522 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C15.9microsoftVulnerability scoring details
Base CVSS 3.1 score
7HighVector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- Windows Local Security Authority (LSA) Elevation of Privilege VulnerabilityCVE reference, microsoft · vendor-advisory, patch
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.