CVE-2026-70806

Local data tampering and service crash

Published Aug 18, 2026 · Updated Aug 18, 2026

A vulnerability in Oracle E-Business Tax 12.2.3 through 12.2.15 allows local users to modify critical data or crash the service. Oracle identifies the affected area only as Internal Operations and has not published the vulnerable code path or the operation it performs incorrectly on attacker-controlled input. Reachability requires low-privileged logon to the host or infrastructure where the product runs; published impact is limited to integrity loss and a hang or repeatable crash, with no confidentiality impact stated.

CVSS severity7.1
High
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A vulnerability in Oracle E-Business Tax 12.2.3 through 12.2.15 allows local users to modify critical data or crash the service. Oracle identifies the affected area only as Internal Operations and has not published the vulnerable code path or the operation it performs incorrectly on attacker-controlled input. Reachability requires low-privileged logon to the host or infrastructure where the product runs; published impact is limited to integrity loss and a hang or repeatable crash, with no confidentiality impact stated.

The record

CVE
CVE-2026-70806
Published
Aug 18, 2026
Updated
Aug 18, 2026
Vendor
Oracle
Product
Oracle E-Business Tax
Classifications
T1499, T1565
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 18, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=12.2.3 <=12.2.15

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Oracle · Oracle E-Business Taxversion=12.2.3 <=12.2.15

Published CVSS scores

7.1OracleCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service
T1565Data Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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