CVE-2026-52972: crypto: af_alg - Cap AEAD AD length to 0x80000000
CSIRTS triage
- What
- The AEAD AD length is not capped properly, leading to potential issues.
- Who is affected
- Users of the crypto af_alg are affected.
- Urgency
- Remediation is urgent due to the high severity of the vulnerability with a CVSS score of 7.8.
- Action
- Apply the patch that caps the AEAD AD length.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-52972
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-2026-529720.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-52972 | coverage & exploitation status | NVD · CVE.org |
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