Security readout for executives and security teams
Plain-English summary
A flaw in Windows libarchive could let an attacker run code after a user interacts with affected content. Successful exploitation could expose, alter, or disrupt data. The listed scope includes specific Windows 11 releases and Windows Server 2022, 23H2 Server Core.
Executive priority
Treat as a high-priority patching issue for matching assets. User interaction and local access constrain exploitation, but successful compromise could cause complete data confidentiality, integrity, and availability loss.
Technical view
CVE-2024-43495 is a CWE-190 integer-overflow vulnerability with CVSS 3.1 score 7.3. The vector indicates local access, low complexity, low privileges, required user interaction, unchanged scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited by the supplied evidence to listed Windows 11 22H2, 22H3, and 23H2 systems, plus Windows Server 2022, 23H2 Server Core. Exact vulnerable and fixed build boundaries are not included.
Exploitation context
The supplied record does not establish active exploitation, and the CVE is not identified as CISA KEV. Exploitation requires local access, low privileges, and user interaction, reducing immediacy but not the potential impact.
Researcher notes
The bundle identifies an integer overflow but provides no vulnerable function, triggering format, root-cause detail, exploit telemetry, or fixed build numbers. The local attack vector conflicts with casual interpretations of “remote code execution”; preserve the CVSS prerequisites when assessing reachability.
Mitigation direction
- Review Microsoft’s CVE advisory for applicable security updates and deployment requirements.
- Prioritize updating matching Windows 11 and Windows Server assets.
- Apply normal controls limiting untrusted content and low-privileged local access until remediation is confirmed.
- Use vendor guidance for any compensating controls; none are specified in the supplied bundle.
Validation and detection
- Inventory systems matching the listed Windows products and versions.
- Confirm installed updates against Microsoft’s CVE-2024-43495 advisory.
- Verify patched build requirements directly from Microsoft before closing findings.
- Monitor affected systems for unexpected processes or security alerts associated with user-opened content.
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-190: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-43495 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 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/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:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C1.35.9microsoftVulnerability scoring details
Base CVSS 3.1 score
7.3HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/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 libarchive Remote Code Execution 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.
Integer Overflow or Wraparound
Integer Overflow or Wraparound represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.