CVE-2026-53016: crypto: ccp - copy IV using skcipher ivsize

highCVSS 7.1CVE-2026-53016

CSIRTS triage

Other

What: This vulnerability involves copying IV using skcipher ivsize in crypto.
Who is affected: Deployments using crypto functionalities.
Urgency: Remediation is urgent due to the high severity rating.
Action: Apply the latest patches to mitigate this issue.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.1
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53016

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-530160.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-53016	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownUSN-8668-1: Linux kernel (GCP) vulnerabilitiesubuntu
unknownMultiple vulnerabilities in Red Hat Linux kernel (August 21, 2026)cert-fr-avis
unknownUSN-8665-1: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu
unknownUSN-8664-1: Linux kernel (NVIDIA BaseOS) vulnerabilitiesubuntu
unknownUSN-8663-1: Linux kernel (NVIDIA) vulnerabilitiesubuntu
unknownUSN-8620-4: Linux kernel (Intel IoTG) vulnerabilitiesubuntu
unknownUSN-8620-3: Linux kernel (Intel IoTG) vulnerabilitiesubuntu
unknownUSN-8620-2: Linux kernel (Azure FIPS) vulnerabilitiesubuntu
highUSN-8620-1: Linux kernel vulnerabilitiesubuntu
highUSN-8619-1: Linux kernel (HWE) vulnerabilitiesubuntu
highUSN-8595-3: Linux kernel (AWS) vulnerabilitiesubuntu
highUSN-8574-3: Linux kernel vulnerabilitiesubuntu

Recent advisories for crypto

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCVE-2026-78369: RansomLook contains a missing authentication vulnerability in the /admin/crypto/group/new endp…nvd · 2026-08-24
medium[UPDATE] [medium] Golang Go-Module (Net, Image, Crypto): Multiple Vulnerabilitiescert-bund · 2026-08-24
mediumCVE-2026-45271: Picotls is a TLS protocol library that allows users select different crypto backends based on …nvd · 2026-08-21
mediumCVE-2026-5224: Cleartext storage of sensitive information vulnerability in Kriptok Crypto and Information Tech…nvd · 2026-08-18
highCVE-2026-74578: In the Linux kernel, the following vulnerability has been resolved: crypto: algif_skcipher - f…nvd · 2026-08-16
highCVE-2026-74438: In the Linux kernel, the following vulnerability has been resolved: crypto: sun4i-ss - Remove …nvd · 2026-08-15