EXPOSURES › CVE-2026-2777
CVE-2026-2777
CRITICAL
DETAIL
SourceNVD · cve
Published2026-02-24
CVSS9.8
Referencehttps://nvd.nist.gov/vuln/detail/CVE-2026-2777 ↗
▸ RECOMMENDED ACTION Critical severity — schedule patching of the affected products.
PLAYERS IMPLICATED
DESCRIPTION
Privilege escalation in the Messaging System component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
AFFECTED FEDRAMP PRODUCTS · 0
No correlated FedRAMP products.