🛡️ CVE-2026-16802 — powershell-universal

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: Low — an ordinary user account is enough.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Changed — a successful attack reaches components beyond the vulnerable one.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: None.
• Availability impact: None.

Weakness class

CVE-2026-16802 is classified as CWE-312: Cleartext Storage of Sensitive Information. Sensitive values are written to storage unencrypted and readable by anyone with access to it.

Affected software

CVE-2026-16802 is recorded against 1 package.

• powershell-universal (fixed in 2026.2.3.0)

Timeline and source

Published on 24 July 2026 and last revised on 29 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

devolutions.net

Other advisories for this package

powershell-universal has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-16800 (8.8 High, published 24 Jul 2026)
• CVE-2026-16799 (5.0 Medium, published 24 Jul 2026)
• CVE-2026-16798 (6.5 Medium, published 24 Jul 2026)
• CVE-2026-16801 (8.8 High, published 24 Jul 2026)
• CVE-2026-13437 (6.5 Medium, published 29 Jun 2026)
• CVE-2026-8694 (5.3 Medium, published 12 Jun 2026)
• CVE-2026-4064 (8.3 High, published 17 Mar 2026)
• CVE-2026-3563 (5.5 Medium, published 17 Mar 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-312: Cleartext Storage of Sensitive Information) in other software:

• CVE-2026-21080 (6.5 Medium, published 10 Aug 2026)
• CVE-2026-55997 (8.8 High, published 5 Aug 2026)
• CVE-2026-20312 (8.8 High, published 5 Aug 2026)
• CVE-2026-15721 (9.8 Critical, published 4 Aug 2026)
• CVE-2026-34490 (5.5 Medium, published 31 Jul 2026)
• CVE-2026-59327 (4.4 Medium, published 30 Jul 2026)
• CVE-2026-55985 (4.3 Medium, published 24 Jul 2026)
• CVE-2024-58023 (8.4 High, published 23 Jul 2026)

Details

Affected Packages

References