What is CVE-2023-26369?

CVE-2023-26369 is a high-severity vulnerability in Adobe Acrobat, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-09-13.

How severe is CVE-2023-26369?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2023-26369 known to be exploited?

Yes. CVE-2023-26369 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-09-14), indicating it is being actively exploited. 7 public proof-of-concept repositories are indexed.

Buffer overflow in Adobe Acrobat

CVE-2023-26369

Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current…

Vulnerability class: Buffer Overflow

EPSS: 0.070 (93.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2023-09-14. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2023-10-05.

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

psirt@adobe.com (vendor-advisory, Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Third Party Advisory, US Government Resource)

Frequently asked questions

What is CVE-2023-26369?: CVE-2023-26369 is a high-severity vulnerability in Adobe Acrobat, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-09-13.
How severe is CVE-2023-26369?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-26369 known to be exploited?: Yes. CVE-2023-26369 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-09-14), indicating it is being actively exploited. 7 public proof-of-concept repositories are indexed.