CVE-2026-35312: Vulnerability in the Oracle Virtual Directory product of Oracle Fusion Middleware (component: Virtual Director

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2026-35312 is a critical-severity flaw (CVSS 9.8) affecting virtual directory. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle Virtual Directory product of Oracle Fusion Middleware (component: Virtual Directory Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via LDAP to compromise Oracle Virtual Directory. Successful attacks of this vulnerability can result in takeover of Oracle Virtual Directory. CVSS 3.1 Base Score 9.8 (Confid

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 10:40 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

oracle virtual directory DOWNGRADE

Affected: 12.2.1.4.0 · 14.1.2.0.0

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 virtual-directory || rpm -q virtual-directory || virtual-directory --version

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

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

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

dnf --showduplicates list virtual-directory sudo dnf downgrade virtual-directory-<VERSION_BEFORE_12.2.1.4.0> sudo dnf versionlock add virtual-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-2026-35312?

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

Is CVE-2026-35312 being exploited?

CVE-2026-35312 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-2026-35312 affect?

CVE-2026-35312 affects virtual directory. Severity is critical (CVSS 9.8). Vulnerability in the Oracle Virtual Directory product of Oracle Fusion Middleware (component: Virtual Directory Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthent

How urgent is CVE-2026-35312?

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

Related CVEs

CVE-2026-61231 HIGH 8.8 DOWNGRADE Vulnerability in the Oracle Virtual Directory product of Oracle Fusion Middleware (component: Virtual Director

References

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