CVE-2025-8660: Privilege escalation occurs when a user gets access to more resources or functionality than they are normally

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-8660 is a critical-severity flaw (CVSS 9.8) affecting symantec pgp encryption. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Privilege escalation occurs when a user gets access to more resources or functionality than they are normally allowed.

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	0.3% (top 77%)
CISA exploited list	No
Weakness	CWE-269
Published	2025-08-11
Last modified	2026-06-17

Publisher (CNA): Symantec Corporation · Vendor: broadcom

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-11 08:15 UTCPublished CVE record published
2026-06-17 10:07 UTCUpdated Record last modified

broadcom symantec pgp encryption DOWNGRADE

Affected: 11.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 11.0.1

1. Check installed version

apt-cache policy symantec-pgp-encryption || rpm -q symantec-pgp-encryption || symantec-pgp-encryption --version

2. No fixed release: DOWNGRADE to a release before 11.0.1 (Debian / Ubuntu)

apt-cache madison symantec-pgp-encryption sudo apt install symantec-pgp-encryption=<VERSION_BEFORE_11.0.1> sudo apt-mark hold symantec-pgp-encryption

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

dnf --showduplicates list symantec-pgp-encryption sudo dnf downgrade symantec-pgp-encryption-<VERSION_BEFORE_11.0.1> sudo dnf versionlock add symantec-pgp-encryption

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-2025-8660?

symantec pgp encryption: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-8660 being exploited?

CVE-2025-8660 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-2025-8660 affect?

CVE-2025-8660 affects symantec pgp encryption. Severity is critical (CVSS 9.8). Privilege escalation occurs when a user gets access to more resources or functionality than they are normally allowed.

How urgent is CVE-2025-8660?

Priority 45/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Symantec and Broadcom vulnerabilities

Related CVEs

CVE-2025-8661 MEDIUM 6.1 DOWNGRADE A stored Cross-Site Scripting vulnerability (XSS) occurs when the server does not properly validate or encode

References

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