CVE-2026-89162

2.9 LOW 0.2% exploit odds Fix listed Other

What it is

In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. Limited direct impact.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-09-11 05:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-09-16 18:56 UTC Last updatedMost recent change to the record

Details

Published: 2026-09-11 05:16 UTC
Last modified: 2026-09-16 18:56 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-669
Record status: Undergoing Analysis

Affected

Pcre pcre2 < 10.48
Pcre pcre2 10.48

Attack profile CVSS 3.1 · 2.9

Attack vector: Local
Complexity: High
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: None
Availability: None

Raw vector

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

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Fix and advisories

References

NVD record · CVE.org record