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CISSP exam format: questions, time, and the 700 passing score

By 8140.study · Published 2026-10-26 · Last updated 2026-10-26

The short version: the CISSP exam is adaptive. You get between 100 and 150 questions in a maximum of 3 hours, and the exam stops as soon as ISC2’s scoring algorithm is 95 percent sure you are above or below the passing standard. The passing grade is 700 out of 1000, but you never see a number: the result is pass or fail. You cannot go back and change an answer, 25 of the questions are unscored, and the exam costs $749 in the Americas.

Every figure below was read off ISC2’s own exam outline, adaptive testing FAQ, and pricing pages on October 26, 2026, and each is linked to the page it came from.

The exam at a glance

CISSP
FormatComputerized Adaptive Testing (CAT)
Questions100 to 150
Unscored (pretest) questions25
Maximum time3 hours, breaks included
Question typesMultiple choice and advanced item types
Passing grade700 out of 1000
Score shown to youNone, pass or fail only
Going back to change answersNot allowed
LanguagesChinese, English, German, Japanese, and Spanish
Exam price (US$, Americas)$749
Current outline sinceApril 15, 2024
Checked October 26, 2026. Sources: ISC2 CISSP exam outline, ISC2 adaptive testing FAQ, and ISC2 exam pricing.

You sit it at Pearson testing centers authorized by ISC2. The exam outline notes that the Chinese language exam is only offered in set windows each year: March, June, September, and December.

How the adaptive format works

Per ISC2’s adaptive testing FAQ, every candidate starts with a question well below the passing standard. After each answer, the algorithm re-estimates your ability and picks the next question so that you have about a 50 percent chance of getting it right. The questions are not grouped by domain or in any set order, but the mix still follows the domain weights in the outline, however long your exam runs.

The exam ends under one of three rules, applied in this order:

  • Confidence rule. Once you have answered the minimum 100 questions, the exam ends as soon as the algorithm is 95 percent confident you are above the pass point (pass) or below it (fail).
  • Maximum length rule. If you reach 150 questions without that confidence, your final ability estimate is compared with the passing standard.
  • Out of time rule. If the 3 hours run out first, the same comparison is made. But if you have not answered at least 75 scored and 25 unscored questions by then, you fail automatically.

That last rule is the one to plan around. There is no minimum time, so you can work at your own pace, but you must reach the minimum length. ISC2 says it does not limit the number or length of breaks, and every break counts against the 3 hours.

What that means on exam day

  • You cannot go back. Because each question depends on your earlier answers, ISC2 does not allow item review. Once you finalize an answer, it is locked. Read each question fully before you commit, and do not plan a second pass.
  • It will feel hard the whole way. ISC2 says every candidate should expect to find each question challenging and that everyone gets about half of them right. What matters is how difficult the questions you answer correctly are, not how many. Feeling unsure at question 90 is the design working, not a sign you are failing.
  • Stopping at 100 is not a verdict on its own. It means the algorithm reached its 95 percent confidence early, in either direction. ISC2 also states that no one is picked in advance for a longer exam.
  • Every question counts as if it is scored. The 25 unscored questions look the same as the scored ones, so you cannot spot them.

What 700 out of 1000 means

The exam outline lists the passing grade as 700 out of 1000 points. Do not read that as 70 percent. On an adaptive exam, the CAT FAQ explains, the result comes from your estimated ability compared with a passing standard, and candidates do not receive numerical scores on their pass or fail report. ISC2 does not publish a percentage, so we do not give one.

The exam is compensatory: one pass or fail result is calculated across all scored questions, so strength in a heavily weighted domain can offset weakness in a lighter one. ISC2 is careful to add that this is a possibility, not a guarantee. The weights tell you where the points are.

DomainAverage weight
1. Security and Risk Management16%
2. Asset Security10%
3. Security Architecture and Engineering13%
4. Communication and Network Security13%
5. Identity and Access Management (IAM)13%
6. Security Assessment and Testing12%
7. Security Operations13%
8. Software Development Security10%
Checked October 26, 2026. Source: ISC2 CISSP exam outline, effective April 15, 2024. ISC2 says a new outline takes effect April 15, 2027.

If you fail, the report rates each domain as below, near, or above proficiency, so you know where to focus. Per the FAQ, that feedback goes to failing candidates who answered at least the minimum number of questions. Passing candidates get no domain breakdown.

If you are wondering how much of the exam is technical and how much is judgment, our guide to thinking like a manager on the CISSP covers how the questions are pitched.

Cost, rescheduling, and retakes

ItemFigure
Exam, standard registration (Americas)$749
Rescheduling$50
Cancelling$100
Wait after a first attempt30 test-free days
Wait after a second attempt60 test-free days
Wait after a third or later attempt90 test-free days
Most attempts in 12 months4
Checked October 26, 2026. Sources: ISC2 exam pricing and the retake answer in the CAT FAQ. Taxes and local currency vary by test location.

The retake waits stack: a candidate who fails twice waits 30 days, then 60 more, before a third try. That is a reason to book once you are consistently ready rather than to see the format.

Passing is not the last step

Passing the exam does not make you a CISSP on its own. You still need five years of experience across two or more domains, or you become an Associate of ISC2 while you earn it. Our CISSP experience requirements guide covers the rule and the Associate route, and the CISSP endorsement guide covers the application after you pass.

FAQ

How many questions are on the CISSP exam?

Between 100 and 150. The exam is adaptive, so it ends once ISC2's algorithm is 95 percent confident of a pass or fail. 25 of the questions are unscored, and you cannot tell which ones, according to ISC2's exam outline and adaptive testing FAQ as of October 26, 2026.

How long is the CISSP exam?

A maximum of 3 hours, with no minimum. Breaks are allowed and not limited in number, but they count against the 3 hours. If time runs out before you answer at least 75 scored and 25 unscored questions, you fail automatically.

What score do you need to pass the CISSP?

700 out of 1000. ISC2 does not publish a percentage equivalent, and candidates do not see a numeric score, only pass or fail. Failing candidates get a proficiency rating for each domain.

Does the CISSP exam ending at 100 questions mean you passed?

No. It means the algorithm reached 95 percent confidence at the minimum length, which can happen in either direction. ISC2 says no candidate is chosen in advance to get a longer or shorter exam.

Can you go back and change answers on the CISSP exam?

No. Because each question depends on your previous answers, ISC2 does not allow item review. Once you finalize an answer, it cannot be reviewed or changed.

How soon can you retake the CISSP?

After 30 test-free days following a first attempt, 60 after a second, and 90 after a third or later, with a maximum of 4 attempts in 12 months, per ISC2's retake policy.

Want to practice before you book? The first module of our CISSP course, Security and Risk Management, is free, and it covers the most heavily weighted domain on the exam. Or start with 10 free CISSP practice questions.