CVE-2025-31277

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-03-20. Federal remediation due 2026-04-03.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.65% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 76.2% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-21.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-07-29 23:29Z1 YR AGO

Last updated

2026-09-21 19:09Z1 MO AGO

Reserved

2025-03-27

Assigning CNA

apple

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

761d9199448e992d319bdde6bf5e109e63c110f9f488dce0a810c083773f197d

• support.apple.comhttps://support.apple.com/en-us/124147
• support.apple.comhttps://support.apple.com/en-us/124149
• support.apple.comhttps://support.apple.com/en-us/124152
• support.apple.comhttps://support.apple.com/en-us/124153
• support.apple.comhttps://support.apple.com/en-us/124154
• support.apple.comhttps://support.apple.com/en-us/124155
• cloud.google.comhttps://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/third-party-advisory
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31277government-resource
• seclists.orghttp://seclists.org/fulldisclosure/2025/Aug/0
• seclists.orghttp://seclists.org/fulldisclosure/2025/Jul/36
• seclists.orghttp://seclists.org/fulldisclosure/2025/Jul/32
• seclists.orghttp://seclists.org/fulldisclosure/2025/Jul/30
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2025-31277vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2448780https://bugzilla.redhat.com/show_bug.cgi?id=2448780issue-trackingx_refsource_REDHAT
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-31277.jsonx_sadp-csaf-vex
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2025:19352vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2025:17802vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2025:19157vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2025:19165vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2025:19109vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2025:17807vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2025:17643vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2025:17743vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2025:17741vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2025:18097vendor-advisoryx_refsource_REDHAT