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CVE-2024-47045

HIGH
7.8
CVSS Score
Published: September 26, 2024 at 03:33 AM UTC
Updated: June 17, 2026 at 07:56 AM UTC
2 products affected across 2 vendorsE TaxE Tax

Using The installer of e-Tax software(common program) by National Tax Agency?

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

Privilege chaining issue exists in the installer of e-Tax software(common program). If this vulnerability is exploited, a malicious DLL prepared by an attacker may be executed with higher privileges than the application privilege.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

E Tax· E Tax Nta
60%
v < 3.0.18
Affected range stops below 3.0.18, so it looks safe — our inference, not a vendor statement
E Tax· National Tax Agency
60%
v < 2024
Affected range stops below 2024, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: [email protected]
https://jvn.jp/en/jp/JVN57749899/
Source: [email protected]
https://www.e-tax.nta.go.jp/topics/2024/topics_20240924_versionup.htm

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-268

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