CVE-2026-46773: Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core)

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2026-46773 is a critical-severity flaw (CVSS 9.8) affecting unified directory. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via LDAP to compromise Oracle Unified Directory. Successful attacks of this vulnerability can result in takeover of Oracle Unified Directory. CVSS 3.1 Base Score 9.8 (Confidentiality, Integ

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-06-17
Last modified	2026-10-25

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-17 10:53 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

oracle unified directory DOWNGRADE

Affected: 12.2.1.4.0 · 14.1.2.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.2.1.4.0

1. Check installed version

apt-cache policy unified-directory || rpm -q unified-directory || unified-directory --version

2. No fixed release: DOWNGRADE to a release before 12.2.1.4.0 (Debian / Ubuntu)

apt-cache madison unified-directory sudo apt install unified-directory=<VERSION_BEFORE_12.2.1.4.0> sudo apt-mark hold unified-directory

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list unified-directory sudo dnf downgrade unified-directory-<VERSION_BEFORE_12.2.1.4.0> sudo dnf versionlock add unified-directory

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-46773?

unified directory: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-46773 being exploited?

CVE-2026-46773 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-46773 affect?

CVE-2026-46773 affects unified directory. Severity is critical (CVSS 9.8). Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker

How urgent is CVE-2026-46773?

Priority 50/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-46774 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core)
CVE-2026-46776 HIGH 8.6 DOWNGRADE Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core)
CVE-2026-60360 CRITICAL 10.0 DOWNGRADE Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core)
CVE-2026-60362 CRITICAL 9.8 DOWNGRADE Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core)
CVE-2026-60359 HIGH 8.6 DOWNGRADE Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core)

References

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