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CVE-2023-26421

HIGHCVSS 7.8/10EPSS 4.57%

Last modified

CVE-2023-26421 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Adobe Acrobat Reader versions 23.001.20093 (and earlier) and 20.005.30441 (and earlier) are affected by an Integer Underflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.. EPSS estimates a 4.57% chance of exploitation in the next 30 days.

Description

Adobe Acrobat Reader versions 23.001.20093 (and earlier) and 20.005.30441 (and earlier) are affected by an Integer Underflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
4.57%

90.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AdobeAcrobat>= 20.001.3005, <= 20.005.30441
AdobeAcrobat Dc>= 15.008.20082, <= 23.001.20093
AdobeAcrobat Reader>= 20.001.3005, <= 20.005.30441
AdobeAcrobat Reader Dc>= 15.008.20082, <= 23.001.20093

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-26421?
Adobe Acrobat Reader versions 23.001.20093 (and earlier) and 20.005.30441 (and earlier) are affected by an Integer Underflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
How severe is CVE-2023-26421?
CVE-2023-26421 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 4.57% probability of exploitation in the next 30 days.
How do I fix CVE-2023-26421?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-26421?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST